U.S. President &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Barack+Obama&amp;family=editorial&amp;specificpeople=203260 ng-click='$event.stopPropagation()'&gt;Barack Obama&lt;/a&gt; greets supporters during a campaign event at the Florida Institute of Technology Charles and Ruth Clemente Center September 9, 2012 in Melbourne, Florida. Working with the momentum from this week's Democratic National Convention, Obama is on a two-day campaign swing from one side of Florida to the other on the politically important I-4 corridor.