(Also on POLITICO: 10 things about Ben Quayle) 
 
 In another key race, Rep. Jeff Flake dispatched real estate investor Wil Cardon in the state’s Republican Senate primary. Flake will now face Carmona, who was unopposed in the Democratic primary. Surgeon General Richard Carmona, in November — a race that’s expected to be competitive but is generally thought to favor Republicans. In other important races held Tuesday, Rep. David Schweikert (R-Ariz.) defeated fellow freshman Republican Rep. Ben Quayle while Republican Rep. Paul Gosar turned back a challenge from Ron Gould, a state legislator backed by the Washington based anti-tax group Club For Growth. (Also on POLITICO: Arizona House primary results) 
 
 And in the race for Flake’s House seat, former Republican Rep. Matt Salmon was leading former Arizona House Speaker Kirk Adams, 54 percent to 46 percent, with four-fifths of precincts reporting. Elsewhere on Tuesday, in Oklahoma’s 2nd district, where Democratic Rep. Dan Boren is retiring, plumbing company owner Markwayne Mullin won the Republican runoff and will begin the general election as the frontrunner in a district that gave Sen. John McCain two out of every three votes in 2008. On the Democratic side, former prosecutor Rob Wallace beat seed company owner Wayne Herriman.
– Ben Quayle has become the first freshman House Republican to fall in the primaries. In a fierce race caused by redistricting in Arizona, Quayle was defeated by fellow freshman Rep. David Schweikert. Schweikert attacked his rival, the son of former vice president Dan Quayle, as part of the establishment, and reminded voters that Quayle used to write for the "Dirty Scottsdale" sex site, reports Politico. Quayle was further embarrassed by news that he was among a party of lawmakers who swam in the Sea of Galilee after a night of drinking. In another Arizona race, Rep. Jeff Flake easily won the state's Republican Senate primary, reports the Washington Post. Flake won support from both establishment and Tea Party groups in the race against Wil Cardon, a real estate investor who spent millions of dollars of his own money in the campaign. Flake will face former surgeon general Richard Carmona, who was unopposed in the Democratic primary, in November.