'Dumb and Dumber' sequel outmuscles 'Hero' to win weekend box office

Reuters'Dumb and Dumber' sequel outmuscles 'Hero' to win weekend box officeReutersLOS ANGELES/NEW YORK (Reuters) - "Dumb and Dumber To", the sequel to the 1994 comedy that raised stupidity to an art form, led the U.S. and Canadian box office this weekend, taking in $38.1 million and outmuscling last week's winner, "Big Hero 6.".