The Syrian president also claims to be open to dialogue with the United States.
The Fox News anchor's anecdote about coming under fire by the Argentine army in the Falklands is being challenged.
The punniest satirist in America signs off for the final time.
The viral disease takes over the weekend news, although the White House is confident a U.S. outbreak won't happen
Letterman, 66, began hosting the show on CBS in August 1993
The network finally acts on its star correspondent's discredited Benghazi report.