Welcome, one and all, to the second-happiest place on earth. No Mickey. No Goofy. No Donald. No ducking. No cover charge. No kidding. And, if you're looking for the Seven Dwarfs, brother, are you in the wrong place. But, as the Chargers welcome all troops to their 49th training camp, a visitor with a tin ear can hear the strains of their 2008 campfire song: Shirley Temple's “Good Ship Lollypop.” I'm surprised there isn't a kissing booth.