In this Nov. 21, 2008 file photo, U.S. Rep. Tom Tancredo, R-Colo. , talks about his career in state and federal politics during an interview in his office in the southeast Denver suburb of Greenwood Village, Colo. Tancredo is retiring from Congress, maybe to run for Colorado governor in two years, maybe to join a right-leaning think tank. AP Photo logo AP Photo 12 months ago

In this Nov. 21, 2008 file photo, U.S. Rep. Tom Tancredo, R-Colo. , talks about his career in state and federal politics during an interview in his office in the southeast Denver suburb of Greenwood Village, Colo. Tancredo is retiring from Congress, maybe to run for Colorado governor in two years, maybe to join a right-leaning think tank.