DES MOINES, IA - JUNE 14:  Supporters wait in line outside of the Elwell Family food Center at the Iowa State Fairgrounds where former Secretary of State Hillary Clinton was expected for a campaign event on June 14, 2015 in Des Moines, Iowa. Clinton officially kicked off her 2016 bid for the White House yesterday during an event on New Yorks Roosevelt Island.  (Photo by Scott Olson/Getty Images)