Dave Chappelle appears with A Tribe Called Quest in first 'SNL' promo

We've endured a long, hard political slog this week, so it's only fair that we get a bit of respite this weekend. And that has arrived in the form of comedian Dave Chappelle hosting Saturday Night Live.
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Ever since quitting his Comedy Central show years ago, Chappelle has remained elusive, often popping up unexpectedly to deliver a stand-up routine in small clubs around the U.S. 
But along with his new, myster