Results from GOP Contests in Minnesota, Colorado, and Missouri Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Republican presidential candidate, former U.S. Sen. Rick Santorum autographs a sign after speaking at a campaign rally February 7, 2012 in Blaine, Minnesota. ( Ben Garvin/Getty Images / Getty ) Produced by PRI and WNYC