When LeBron James knocked down a three-pointer as time expired to seal Game 5 for the Cavaliers, it immediately brought back shades of his game-winning layup against Indiana in Game 1 of the 2013 Eastern Conference Finals. Not only because both nail-biting and inexcusably uninhibited displays of the four-time MVP’s greatness came at the heartbreaking expense of the Pacers when they had the chance to take a series lead, but also because each was in part the product of the sort of defensive breakdowns and head-scratching coaching decisions which forever leave a maddening trail of unanswerable questions.