Washington (CNN) - The curtain slammed down on the 2010 primaries Tuesday night crushing centrist Republican Rep. Mike Castle and handing the Tea Party movement a final victory in its battle with the GOP establishment.
Castle's upset loss to Tea Party favorite Christine O'Donnell was the exclamation point on a bitter and bruising primary season that saw seven incumbents lose re-election and angry political bases turn deaf ears to national leaders.
Republican Sens. Robert Bennett of Utah and Lisa Murkowski of Alaska fell to Tea Party candidates as did South Carolina GOP Rep. Bob Inglis. West Virginia Democratic Rep. Alan Mollohan could not convince voters to re-nominate him for a 15th term, while Michigan Democratic Rep. Carolyn Cheeks Kilpatrick failed in her bid for an eighth term.