November 19, 2017 8:00 am Boston Celtics Win 15 Straight Despite ‘Not Playing Well Enough' The Boston Celtics have won 15 straight games, but head coach Brad Stevens says the Celtics haven’t played well enough to deserve that streak. US & World Videos 2:31 Fallen Billerica Police Sgt. Ian Taylor honored at vigil 2:39 MIT president calls for shutdown of student encampments 0:16 4 people seriously hurt after boat sinks off Cape Cod 2:35 Fallen Billerica police sergeant honored during vigil 2:09 President of MIT calls for shutting down pro-Palestinian encampments