Massachusetts State Lottery August 24, 2017 12:05 pm 'Human Error' to Blame for Powerball Mix-Up Massachusetts State Lottery Commissioner Michael Sweeney said “human error” was to blame for the Powerball mix-up. US & World Videos 3:50 Obesity expert discusses new proposal for U.S. dietary guidelines 4:41 Parents sue over AI chatbot they say encourages children to harm themselves and others 1:32 Patriots host annual children's holiday party 2:48 Hate grocery shopping? Robots could soon do it for you 2:08 Lawrence Fire Department's ‘Station 8' uses music to teach safety to kids