David Letterman has been pretty much on the up and up dealing with the sex scandal currently rocking his world. The fact that he hasn't been hung out to dry just yet makes us here at PopEater want to create a little primer for past and future famous cheaters (mainly a few politicians out there ... you know who you are) on how to maintain your dignity when America gets a bird's eye view into your bedroom (or your pullout couch). It won't always be pretty, as Letterman has shown, but there are a few tricks for survival. Here's a look at Dave's playbook.