Greg Knapp filling in. ABC cancels Rosanne after derogatory tweet by her. Missouri Governor resigns over sex scandal. Viral video of baggage handler. Study says vitamin supplements do nothing. Coke launching alcohol beverage in Japan. Media erupts over immigrant photo that was actually taken in 2014. Melissa McCarthy new puppet movie being sued by Sesame Street. Convicted cop killer sues over treatment in prison. Starbucks closes for racial bias training. NFL and kneeling for the National Anthem. A tale of 2 teachers.