January 17, 2014 1:12 am Suffolk Downs' $1 billion casino unveiled East Boston track, Caesars Entertainment propose 5,000 slots, 300-room hotel, expanded horse racing US & World Videos 1:32 Amber Alert for 2 NH girls canceled, father in custody 2:53 Latest on Lewiston, Maine shootings 2:01 Local researchers looking to turn plastic into fuel 1:45 Gov. Healey to sign bottle ban order for state agencies 2:41 Leominster students return to school after floods