Jimmy and Billy Joel loop their voices on an iPad app to form a 2-man doo-wop group -- singing "The Lion Sleeps Tonight" by The Tokens in 4-part harmony.
Chelsea talks about the work accomplished through the Clinton Global Initiative University, which is set to meet for its seventh year, and Chelsea recalls an early memory on the campaign trail.
Jimmy Fallon's monologue from Thursday, March 20.
Jimmy reads off superlatives for some of Russia and Ukraine's top politicians, including "most likely to eat charcoal briquettes as a snack."
Chelsea talks about living life in New York and Jimmy explains why he's likely not allowed back at a restaurant Chelsea recommended to him.
Jon welcomes Chelsea Clinton to The Daily Show.
Joseph Stiglitz; Chelsea Clinton
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