Here’s a description, via the Drudge Report. There’s nothing else I can add:

The campaign trail is long and tough. Democratic presidential hopeful Sen. Hillary Rodham Clinton struggles through a commencement address at Dillard University in New Orleans Saturday, May 19, 2007. The senator from New York was plagued with dry throat, wheezing and a coughing fit as she wrapped up her speech on health care and rebuilding New Orleans.