The BBJ's Five Things: Citizens at a crossroads; big biotech's new activist investor; Roche readies to open; Choate's happy place

Good morning Boston. School vacation week is coming to an end, and here are five big stories to start your busy day. Citizens at a crossroads Citizens Financial Group CEO and chairman Bruce Van Saun has a lot of reasons to be stressed. There’s the ambitious profitability target he’s set for the Providence-based bank, a goal that could be harder to reach the further away the Federal Reserve pushes its long-awaited interest rate hike. There’s the roster of banking heavyweights he’s hired…