Duncan Keith has spent this fall like most of his Blackhawks teammates: training and skating. And waiting. Waiting for a resolution to the NHL lockout that seems so far from being reached. “It’s just embarrassing for everybody,” said Keith, who joined his teammates at practices here on Wednesday. “There’s a lot of talk for the fans. They’re the ones who don’t have a voice and aren’t being heard in these negotiations. It’s tough on them, but it’s frustrating for players.