August 31, 2015 11:55 am ‘Concussion' Trailer Will Smith takes on the NFL in “Concussion,” in theaters December 25. US & World Videos 1:45 Anaheim city council voting on Disneyland expansion 0:40 Watch: Police dog tracks and finds missing 85-year-old woman in Colorado 3:09 Mama bear and cubs enjoy spring pool day in Monrovia 2:19 11-year-old celebrates teachers with appreciation snack cart 4:58 Luke Hemmings embraces childlike wonder in new album ‘boy'