Vice president Joe Biden couldn't help but take a dig at his boss today when one of the teleprompter screens fell down during his commencement speech at the U.S. Air Force Academy.

"What am I gonna tell the president? I'm gonna tell him his teleprompter is broken. What will he do then?" said Biden.

The off-handed quip immediately drew laughter and some of the loudest cheers of the day from the graduates.

President Obama has long been criticized from Republicans for at times appearing over reliant on a teleprompter, even during short and informal speeches.