Tuesday night late-night hosts joked about Obama's interview on Arab television, the banned PETA ad and drooping Viagra profits.
Dave Letterman also took a moment to make fun of President Bush.
After eight years in office, George W. Bush is now in retirement... It's an amazing thing. Eight years, and now he's retired.
How can you tell? Honestly, how can you tell?
See Monday's best jokes here.
More of the best from Jay Leno, Jon Stewart, Craig Ferguson and Conan O'Brien below.