Marco Rubio presidential campaign, 2016 declared he was running for president approximately three weeks after this fellow republican who has served  as the junior United States Senator from Texas since what year
Ted Cruz Rafael Edward Cruz ( ; born December 22, 1970) is an American politician and attorney who has served as the junior United States Senator from Texas since 2013. He was a candidate for the Republican nomination for President of the United States in the 2016 election.
Jim DeMint James Warren DeMint (born September 2, 1951) is an American politician who was a United States Senator from South Carolina from 2005 to 2013. He is a member of the Republican Party and a leading figure in the Tea Party movement. He previously served as the United States Representative for South Carolina 's 4 congressional district from 1999 to 2005. DeMint resigned from the Senate on January 1, 2013, to become president of The Heritage Foundation, a conservative think tank. On May 2, 2017, the board of trustees at Heritage removed DeMint as president of the organization. In June 2017, DeMint became a senior advisor to Citizens for Self-Governance, a group which is seeking to call a convention to propose amendments to the United States Constitution in order to reduce federal government spending and power.