This Week's Agenda: GOP Primaries, Oil Prices, EU Stability 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 Supporters carry signs for Republican presidential candidate Rick Santorum as he speaks during a Tea Party rally in Columbus, Ohio. ( Jay LaPrete / Getty ) Produced by Jillian Weinberger Produced by PRI and WNYC