The Celtics expected to see a different LeBron James in Cleveland after the Cavaliers fell into a 2-0 hole to open the Eastern Conference finals. Two games and back-to-back wins later, James has reminded everyone exactly why he's been to seven straight NBA Finals. Boston will be back in the embrace of its raucous fans at TD Garden for Game 5 on Wednesday. But a team that has thrived on youth this postseason suddenly looks disoriented without a go-to player and opposite a more veteran squad that has found a new attitude thanks to the fuel being provided by its biggest star.