NEW HAVEN — Howard Dean came to Yale a year older than most of his colleagues, a little more worldly, better traveled and just generally ahead of the curve.................. With the turbulent ’60s as a backdrop, what his friends remember most are the good times and Dean was at the center of that — a fun guy, quick to organize a mixer and hang out for a card game. "He was just somebody, and it remains true, that people liked to be around. You sort of feel good about yourself around Howard. I think it has something to do with...