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.
Pat Toomey Patrick Joseph Toomey (born November 17, 1961) is an American businessman, politician, and the junior United States Senator from Pennsylvania, in office since 2011. A member of the Republican Party, Toomey served as the United States Representative for Pennsylvania 's 15 congressional district for three terms, from 1999 to 2005, but he did not seek a fourth term in compliance with a term limits pledge he had made while running for office in 1998.