The battle for Iowa

Iowa launched President Obama in 2008, but it’s very much in play in the 2012 presidential race.

The 2008 vote, by county

Sources: Atlas of U.S. Presidential Elections, World Bank, realclearpolitics.com

Credits: Graphics reporting by Tom Reinken. Graphic by Ray Enslow. Programming by Anthony Pesce.

Published: June 24, 2012