Five things: Tuition hacks, Best Places to Work, picketing nurses and MBTA woes

Good morning, Boston. Are you joining us at the Ritz-Carlton for our Race, Equity & Business event today? (There's still time to get $20 off by using promo code “5things"). Here are the five things you need to know in Boston business news to start your Thursday. Sure, colleges and universities are charging more than ever for tuition, room and board, but most students don't pay sticker price, Grant Welker reports.  In a first, a cannabis company will become an official sponsor of a major…...