A few weeks ago, U.S. champion skier Bode Miller turned in a stunningly poor performance at the Olympics, with two non-medal finishes, a disqualification and two incomplete races. Unabashed, he told the Associated Press: "I just did it my way. I'm not a martyr, and I'm not a do-gooder. I just want to go out and rock. And man, I rocked here." Mr. Miller's exuberant self-assessment makes him "a poster child" for "Generation Me," says San Diego State University psychology professor Jean Twenge. Americans born after 1970 -- including the so-called Generation X and Millennial Generation -- have become "an...
