President Obama pauses as the audience applauds during his speech at a fundraising event at the Henry B. Gonzalez Convention Center in San Antonio on Tuesday, July 17, 2012. (AP Photo/Susan Walsh)

Photo by: Susan Walsh

President Obama pauses as the audience applauds during his speech at a fundraising event at the Henry B. Gonzalez Convention Center in San Antonio on Tuesday, July 17, 2012. (AP Photo/Susan Walsh)