No delegates were at stake on Tuesday night, but Rick Santorum still scored three big victories in the race for the Republican presidential nomination by winning the caucuses in Colorado and Minnesota and the primary in Missouri. "Conservatism is alive and well in Missouri and Minnesota," Santorum said when he took the stage at his victory party [...]

10:12 P.M. UPDATE:WASHINGTON (AP) — A resurgent Rick Santorum won Minnesota’s Republican presidential caucuses with ease Tuesday night and was declared the victor in Colorado as well, a stunning sweep that raised fresh questions about front-runner Mitt Romney’s appeal among the ardent conservatives at the core of the party’s political base.

WASHINGTON (AP) — A resurgent Rick Santorum won Minnesota's Republican presidential caucuses with ease Tuesday night and was declared the victor in Colorado as well, a stunning sweep that raised fresh questions about front-runner Mitt Romney's appeal among the ardent conservatives at the core of the party's political base.