GOP SHAKEUP | NBC Alexander | WED 02/08/2012

Rick Santorum is shaking up the GOP race for the White House. The former Pennsylvania senator won...  More »

Rick Santorum is shaking up the GOP race for the White House. The former Pennsylvania senator won the Minnesota caucuses and Missouri’s beauty contest primary. He's also the apparent winner of the Colorado caucuses, which four years ago chose Romney. NBC's Peter Alexander has more.  « Less