Tancredo Roils Colorado GOP BY STEPHANIE SIMON DENVERSix months ago, former GOP Rep. Tom Tancredo was cheered at the National Tea Party Convention. On Monday, he announced a third-party run for governor of Coloradoand many in the state's tea-party movement responded with disdain. Although Mr. Tancredo's support for sealing the U.S. border against illegal immigrants, slashing government spending and taking on the Republican Party's elite have resonated with tea-party activists, his decision to run for governor as the candidate of the tiny American Constitution Party set many of his former fans fuming. Tancredo Bid Roils Colorado GOP - WSJ.com Fascinating dynamic. The Colorado Tea Partiers turning on one of their own because he won't fall in line and support the Republican Party establishment.