Does Cory Gardner running for Senate in Colorado mean the Tea Party is fading and the GOP is poised for a renaissance?

[youtube http://www.youtube.com/watch?v=JXsCLUXk3dM&w=600&h=315]

Cory Gardner is considered a rising star in the GOP, and a few days ago, he announced his candidacy for U.S. Senate at a lumber yard. He'll challenge Mark Udall, who has been a Senator since 2009 (but is the son of Morris Udall, of Arizona political fame). Some people call Gardner entering …