I asked Dolphins running back Reggie Bush if there is anywhere players can hide from the Hard Knocks cameras. "Yeah, home," Bush said. "You have to focus and go about your business as if the cameras aren't even there."... Former Colts coach Tony Dungy shared his impression of rookie quarterback Andrew Luck after visiting Indianapolis's training camp: "I saw Andrew's first practice, and [after] 10 minutes I said [he] was the best player on the field."... U.S. men's basketball coach Mike Krzyzewski takes exception to critics of LeBron James after coaching him during the Olympics. "All the stuff that he gets from people, it's just ridiculous," Coach K said. "He's a fantastic leader, and he's as smart as anyone playing any game. The guy is brilliant, and he's a good guy."... Al Michaels told me his go-to impersonation at speaking engagements is former broadcasting partner Howard Cosell but that he has to stop doing it. "A generation and a half has come and gone since Cosell was there," Michaels said. "Half the audience looks at me like, What? Who?"