And now in the "Now I've Seen Everything" category... David Letterman may have a sex tape! Yes at age 62, he may be the oldest to fill that category slot.

According to the National Enquirer David was caught in the act by studio security cameras.

This could mean not only the end of David Letterman's marriage, but also his career! Sources close to his current extortion video case state that if this video makes it way into the court case, it will end his marriage for certain.