Kennedy to Hit Campaign Trail for Kerry Tue Sep 14, 6:30 PM ET By LOLITA C. BALDOR, Associated Press Writer WASHINGTON - Sen. Edward M. Kennedy (news, bio, voting record), often credited with giving a boost to John Kerry (news - web sites)'s presidential campaign, is launching a seven-week election drive for his Massachusetts colleague that will pair fund raising and travel with a barrage of speeches condemning President Bush (news - web sites)'s policies. AP Photo Slideshow: John Kerry Kennedy, D-Mass., will make two campaign stops in Pennsylvania on Friday, in addition to appearances around the country nearly every...