A Ground-Level Look at the Iowa Caucus 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 wait for the arrival of former Massachusetts Governor and Republican presidential candidate Mitt Romney for a rally at the Hotel Blackhawk December 27, 2011 in Davenport, Iowa. ( Chip Somodevilla/Getty Images / Getty ) Produced by PRI and WNYC