Emma Watson Visitting Late Show with David Letterman

British actress Emma Watson, who stars as Hermione Granger in Harry Potter and the Half-Blood Prince, as well as all the other Harry Potter films based on the popular fantasy series by J. K. Rowling, appeared on the Late Show with David Letterman on July 8, 2009. Emma Watson was on the program to promote the new film, which makes its North American premiere in New York City on Thursday.Harry