Epidemics were the big draw last night for the late shows. David Letterman said that he was thankful for our tight border with Mexico considering that's where swine flu is emanating from. Colbert, on the other hand, addressed a more urgent disease: DONKEY FLU, recently contracted by now Democratic Senator Arlen Specter. Colbert says that Maine Senator Olympia Snowe is in danger of contracting the disease next considering it spread wildly during the last election.
More from Stewart on the first 100 days media circus, and Jimmy Kimmel on unintentional jokes below.