BOSTON (AP) — Down and nearly out, the Boston Bruins are angry, too. An emotional return by their injured captain and a frenzied start weren’t enough for the Bruins, who must win to avoid elimination in the Stanley Cup Final. Boston coach Bruce Cassidy was livid following the 2-1 loss in Game 5 on Thursday night, lashing out at officials over what he contends was a lack of calls. There were only four penalties called in the game and although three went against the Blues, Cassidy felt St.