SUP Magazine: Jack Black Channels Dwayne Johnson With New Year's Workout Video

Jack Black is taking a page from  Dwayne “The Rock” Johnson  with his New Year's resolutions. On Jan. 1, the 55-year-old Jumanji star posted a workout video to his Instagram account in which he could be seen strenuously pumping iron in a patriotic button-up emblazoned with the American flag and some psychedelic shorts.  “New Year’s grind,” Black captioned the video. At one point, he motioned for his cameraman to “get in closer” before...