Courtesy image Sen. Mike Lee, R-Utah (The Associated Press) Tea party activist Ted Cruz won the Texas Republican primary Tuesday, July 31, 2012, defeating Lt. Gov. David Dewhurst, a wealthy and well-known candidate who has long been considered the heavy favorite to replace retiring Sen. Kay Bailey Hutchinson. Texas Republican Senate candidate Ted Cruz speaks to the media, Wednesday, Aug. 1, 2012, in Houston, a day after defeating Lt. Gov. David Dewhurst in a runoff. (AP Photo/Pat Sullivan)