Don GonyeaDon Gonyea is a NPR National Political Correspondent based in Washington, D.C., and travels throughout the United States covering elections and the country's political climate. His reports can be heard on all NPR programs and at NPR.org.
President Obama greets patrons at Ross' Restaurant in Bettendorf, Iowa, on Tuesday. In 2008, the president's unexpected victory in the state helped propel his campaign.
Saul Loeb/AFP/Getty Images
U.S. Rep. Michele Bachmann greets Irene Blom before speaking at a Presidential Lecture Series sponsored by The Family Leader, April 11, 2011 in Pella, Iowa. Bachmann, along with Herman Cain, Newt Gingrich, Gary Johnson and Rick Santorum, are expected to drop in on a Tea Party Bus Tour making its way through Iowa.
Then-Democratic presidential hopeful Barack Obama waves during a May 24, 2008, campaign stop in San Juan, Puerto Rico. Keeping a campaign promise, Obama returns Tuesday.
Republican presidential hopeful, former Mass. Gov. Mitt Romney meets with entrepreneurs at Bizdom U in Detroit on Thursday. Bizdom U is a business development center to help entrepreneurs start up businesses in the state.
Carlos Osorio /AP