PROVIDENCE, R.I. — Rep. Patrick Kennedy was still in college when he took elected office as a state representative. Nearly two decades later, he has spent his entire adult life as a lawmaker. (snip) In Congress, Kennedy has pushed for greater mental health care coverage, citing his own struggles with depression and addiction. (snip) A tennis player and avid reader of biographies and autobiographies, Kennedy has a passion for sailing. "He can go out and be out of the public eye. It's tranquil, and it's something he enjoys," Marcella said. (snip) "He's a warm, nice, optimistic, kind person. That's what...