Steve Kerr can remember specific details from each of his six NBA championship celebrations. The Warriors' head coach stood near half court after the Warriors' 93-89 Game 7 loss Sunday, waiting for the Cavaliers to finish celebrating so he could shake their hands. With his emotions waffling between shock and sorrow, he watched the building of the podium that would host Cleveland's trophy presentation at Oracle Arena. The ultimate competitor, Kerr decided to start traveling with the team. In Chicago, where he won three of his five titles as a player, Kerr took the coaching staff to a famed improv comedy spot, Second City. All he would say publicly about his health was that the time away made it clear how much he missed it, but all of a sudden, it looked like he might be making a comeback. Sure enough, he retook the helm Jan. 22, even though, right before the All-Star break, he had to hold himself up against a wall as the door to the coaches' room was being unlocked. The Warriors had to win their final four regular-season games, including two against San Antonio, to claim an NBA-record 73 wins. The Warriors were the third of 33 teams to allow a Game 7 after earning a 3-1 NBA Finals...