CLEVELAND — Sunday morning, after watching film, Kenny Atkinson met with his team. The Cavaliers coach opened up the floor to anyone who wanted to speak. He asked his players a question: Why do you believe we can come back? “I had eight great answers,” Atkinson said. “I said, ‘Well that makes me believe more because you guys really believe in yourselves.’ Each guy had a different reason or two. I don’t want me to get up and say, ‘Hey we got to believe.’ It’s not that. It’s, do they believe?