The skyline of Charlotte, N.C., rises behind the Bank of America Stadium (foreground). President Obama's renomination acceptance speech, scheduled for Thursday night at the stadium, has been moved indoors because of concerns about the weather. (AP Photo/Chuck Burton)

Photo by: Chuck Burton

The skyline of Charlotte, N.C., rises behind the Bank of America Stadium (foreground). President Obama's renomination acceptance speech, scheduled for Thursday night at the stadium, has been moved indoors because of concerns about the weather. (AP Photo/Chuck Burton)