Following his sentimental tribute to Robin Williams at the Emmys, Billy Crystal was able to share some laughs about the late comedian on Thursday during his appearance on "The Tonight Show Starring Jimmy Fallon." The two swapped stories about particularly funny Robin Williams moments. Crystal recalled an episode in which Williams hounded 1988 Democratic presidential nominee Michael Dukakis for a comment he made about Williams "being out in the universe up there, right near Uranus." We won't spoil the punchline, so watch the clip to see how Williams handled the hole Dukakis dug for himself.
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