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.
Ricardo Sanchez Ricardo Sánchez (born September 9, 1953) is a former United States Army lieutenant general who stood as a candidate for the Democratic Party nomination for the U.S. Senate election in 2012 for the seat of retiring Senator Kay Bailey Hutchison.