Warriors coach Kerr: A playoff savantFor all the superlatives the Warriors have stockpiled this season, there's one spot where they're deficient:None of the Warriors starters has more than 19 playoff games under his belt.Though he'll be coaching in the postseason for the first time, he has played in 128 playoff games."I would be concerned if they'd never been in the playoffs," Kerr said, but I like the fact that they've had the last two years, the three playoff series.Kerr says the biggest difference between a playoff series and the grind of the regular season is preparing for the opponent.All season, Kerr has been drilling his team on the details with the playoffs in mind: boxing out, taking care of the ball, being aware of matchups and tendencies."If you make a mental error in the playoffs, it's going to cost you," he said.Kerr won championships with the greatest player of his era, Michael Jordan, and the greatest team, the Spurs.[...] he knows that the ultimate deciding factor in the playoffs is talent.The Champagne was on ice, the T-shirts and hats were ready, the parade route planned.[...] the final shot Jordan took in a Chicago uniform was the difference.Most of what Kerr...