Jonah Hill and Channing Tatum Compete In Twitter Challenge For “21 Jump Street” Dan Koelsch, October 31, 2011 The film adaptation of the Johnny Depp 80s television show 21 Jump Street opens in March, but the public has yet to see a trailer. Stars Jonah Hill and Channing Tatum look to change that, but they are making a competition out of it. Whichever actor gets the most Twitter…