Then-presidential candidate Bill Clinton played the saxophone on The Arsenio Hall Show in 1992. The appearance is credited with helping Clinton win fans among young voters.
Arnold Schwarzenengger announced his candidacy for the recall election on Jay Leno’s Tonight Show in 2003. The “Governator” was elected with 48% of the vote.
Then-presidential candidate Barack Obama appeared on David Letterman to tout “Top 10 Surprising Facts About Barack Obama.”
Presidential candidate John McCain made an appearance on SNL, with his running mate Sarah Palin (as played by Tina Fey).
Tina Fey won an Emmy for her dead-on portrayal of Sarah Palin. The real Palin made an appearance on SNL in October 2008,
Republican presidential candidate Mitt Romney appeared on Letterman (in the same week that Sarah Palin appeared on Leno) in 2010.
Republican candidate Rick Perry appeared on David Letterman in 2011 giving his “Top 10 Rick Perry Excuses.”
Jimmy Fallon’s “Evolution of Mom Dancing” with Michelle Obama became a viral hit.
Vice president Joe Biden appeared on Stephen Colbert for his “Been There: Won That: The Returnification of the American-Do Troopscapeon” special in 2010.
HIllary Clinton has appeared on David Letterman’s show many times, here pictured in 2003 while she was a senator. Bill Clinton was recently quizzed by Letterman to reveal whether Hillary plans to run in 2016. “I honestly don’t know,” Bill said.