PITTSBURGH - Democrat John Kerry (news - web sites), with rockers Jon Bon Jovi and blink-182 in tow, is courting the college crowd that typically shuns the voting booth, hoping unease about the Iraq (news - web sites) war and jobs propels millions of 18-to-24-year-olds to the polls in November. "We need you to become involved in this race as never before," the presumptive Democratic nominee implored a noisy crowd of more than 5,000 at the University of Pittsburgh Friday. The rally was Kerry's fifth college appearance in a week and reflected the campaign's sense that a new activism is...