Vice President Santorum? A Look Ahead to the Republican Pick for V.P. 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 calls a voter looking for support during a visit to his campaign office on February 28, 2012 in Grand Rapids, Michigan. ( Scott Olson/Getty Images / Getty ) Produced by Marc Kilstein Produced by PRI and WNYC