Steve Kerr was his own harshest critic on Sunday night.The Warriors coach did not mince words evaluating his performance this season after Golden State’s frustrating 136-131 loss to the Portland Trail Blazers on Sunday at Moda Center. “We gave up 24 points off turnovers, so we’ve got to find a way to connect the game. That’s my job. I’m not doing my job well this year, and we’re 13-14,” Kerr told reporters. “We have enough talent to be much better. We’re losing all these close games, so I’ve got to find a way to help these guys.”Golden State has blown numerous games this season, and Sunday’s road loss to the Blazers was yet another example. The Warriors led by as many as 10 points (109-99) with 9:40 remaining in the fourth quarter before Portland out-scored them 37-22 the rest of the way. “We’re just not closing games,” Kerr added. “I think we’re 5-9 now in clutch games. We’re not closing close games down the stretch, and we’ve got to find a way to do that.”Kerr was asked if the Warriors’ inability to close games is due to a lack of execution or...