Sen. Richard Lugar's searing concession statement - read it here Last night, Sen. Richard Lugar, a six-term senator from Indiana, lost the Republican primary to State Treasurer Richard Mourdock. Lugar responded with a searing statement blasting Mourdock's "unrelenting partisan mindset" and the Republican Party's turn to the right. Read it here: Sen. Richard Lugar (Chip Somodevilla - Getty Images) I would like to comment on the Senate race just concluded and the direction of American politics and the Republican Party. I would reiterate from my earlier statement that I have no regrets about choosing to run for office. My health is excellent, I believe that I have been a very effective Senator for Hoosiers and for the country, and I know that the next six years would have been a time of great achievement. Further, I believed that vital national priorities, including job creation, deficit reduction, energy security, agriculture reform, and the Nunn-Lugar program, would benefit from my continued service as a Senator. These goals were worth the risk of an electoral defeat and the costs of a hard campaign. Analysts will speculate about whether our campaign strategies were wise. Much of this will be based on conjecture by pundits who don't fully appreciate the choices we had to make based on resource limits, polling data, and other factors. They also will speculate whether we were guilty of overconfidence. The truth is that the headwinds in this race were abundantly apparent long before Richard Mourdock announced his candidacy. One does not highlight such headwinds publically when one is waging a campaign. But I knew that I would face an extremely strong anti-incumbent mood following a recession. I knew that my work with then-Senator Barack Obama would be used against me, even if our relationship were overhyped. I also knew from the races in 2010 that I was a likely target of Club for Growth, FreedomWorks and other Super Pacs dedicated to defeating at least one Republican as a purification exercise to enhance their influence over other Republican legislators. We undertook this campaign soberly and we worked very hard in 2010, 2011, and 2012 to overcome these challenges. There never was a moment when my campaign took anything for granted. This is why we put so much effort into our get out the vote operations. Ultimately, the re-election of an incumbent to Congress usually comes down to whether voters agree with the positions the incumbent has taken. I knew that I had cast recent votes that would be unpopular with some Republicans and that would be targeted by outside groups. These included my votes for the TARP program, for government support of the auto industry, for the START Treaty, and for the confirmations of Justices Sotomayor and Kagan. I also advanced several propositions that were considered heretical by some, including the thought that Congressional earmarks saved no money and turned spending power over to unelected bureaucrats and that the country should explore options for immigration reform. It was apparent that these positions would be attacked in a Republican primary. But I believe that they were the right votes for the country, and I stand by them without regrets, as I have throughout the campaign. From time to time during the last two years I heard from well-meaning individuals who suggested that I ought to consider running as an independent. My response was always the same: I am a Republican now and always have been. I have no desire to run as anything else. All my life, I have believed in the Republican principles of small government, low taxes, a strong national defense, free enterprise, and trade expansion. According to Congressional Quarterly vote studies, I supported President Reagan more often than any other Senator. I want to see a Republican elected President, and I want to see a Republican majority in the Congress. I hope my opponent wins in November to help give my friend Mitch McConnell a majority. If Mr. Mourdock is elected, I want him to be a good Senator. In effect, what he has promised in this campaign is reflexive votes for a rejectionist orthodoxy and rigid opposition to the actions and proposals of the other party. His answer to the inevitable roadblocks he will encounter in Congress is merely to campaign for more Republicans who embrace the same partisan outlook. He has pledged his support to groups whose prime mission is to cleanse the Republican party of those who stray from orthodoxy as they see it. This is not conducive to problem solving and governance. Worse, he will help delay solutions that are totally beyond the capacity of partisan majorities to achieve. The most consequential of these is stabilizing and reversing the Federal debt in an era when millions of baby boomers are retiring. There is little likelihood that either party will be able to impose their favored budget solutions on the other without some degree of compromise. Unfortunately, we have an increasing number of legislators in both parties who have adopted an unrelenting partisan viewpoint. This shows up in countless vote studies that find diminishing intersections between Democrat and Republican positions. Partisans at both ends of the political spectrum are dominating the political debate in our country. And partisan groups, including outside groups that spent millions against me in this race, are determined to see that this continues. They have worked to make it as difficult as possible for a legislator of either party to hold independent views or engage in constructive compromise. If that attitude prevails in American politics, our government will remain mired in the dysfunction we have witnessed during the last several years. Legislators should have an ideological grounding and strong beliefs identifiable to their constituents. I believe I have offered that throughout my career. But ideology cannot be a substitute for a determination to think for yourself, for a willingness to study an issue objectively, and for the fortitude to sometimes disagree with your party or even your constituents. Like Edmund Burke, I believe leaders owe the people they represent their best judgment. Too often bipartisanship is equated with centrism or deal cutting. Bipartisanship is not the opposite of principle. One can be very conservative or very liberal and still have a bipartisan mindset. Such a mindset acknowledges that the other party is also patriotic and may have some good ideas. It acknowledges that national unity is important, and that aggressive partisanship deepens cynicism, sharpens political vendettas, and depletes the national reserve of good will that is critical to our survival in hard times. Certainly this was understood by President Reagan, who worked with Democrats frequently and showed flexibility that would be ridiculed today - from assenting to tax increases in the 1983 Social Security fix, to compromising on landmark tax reform legislation in 1986, to advancing arms control agreements in his second term. I don't remember a time when so many topics have become politically unmentionable in one party or the other. Republicans cannot admit to any nuance in policy on climate change. Republican members are now expected to take pledges against any tax increases. For two consecutive Presidential nomination cycles, GOP candidates competed with one another to express the most strident anti-immigration view, even at the risk of alienating a huge voting bloc. Similarly, most Democrats are constrained when talking about such issues as entitlement cuts, tort reform, and trade agreements. Our political system is losing its ability to even explore alternatives. If fealty to these pledges continues to expand, legislators may pledge their way into irrelevance. Voters will be electing a slate of inflexible positions rather than a leader. I hope that as a nation we aspire to more than that. I hope we will demand judgment from our leaders. I continue to believe that Hoosiers value constructive leadership. I would not have run for office if I did not believe that.