CONCORD — Former presidential candidate Howard Dean returned to New Hampshire Wednesday in his latest role as Democratic National Committee chairman. His message: It's time for Democrats to return to the White House. Dean greeted the party faithful at a fundraiser at the Common Man restaurant, shook hands and continued his 50-state strategy tour to energize Democrats by reaching out to the party base. With the next presidential election still three years away and no clear Democratic frontrunner, Dean stressed the importance of grassroots organization in an effort to remove Republicans from power in the nation's capital. "The burden of...