Patti Wood, body language expert, tells US Weekly that Letterman appears to be hiding something. Check the link below to find out why Patti arrived at this conclusion!
http://www.scribd.com/doc/37126521/Letterman-US-Weekly
Patti Wood, MA, Certified Speaking Professional - The Body Language Expert. For more body language insights go to her website at http://pattiwood.net/. Also check out the body language quiz on her YouTube Channel at http://youtube.com/user/bodylanguageexpert.