Jay Leno took on the legal profession this week, praising the economic downturn for putting lawyers out on the street. Jimmy Fallon, on the other hand, mocked the scientific community, saying:
"Scientists in Iran have successfully cloned a goat. Great job, scientists. Hey, by the way, AIDS still exists."
More from Stephen Colbert on deregulation, Jimmy Kimmel on porn for kids and David Letterman on the GOP's grudge against Bo Obama.
For last week's best late night jokes, click here.