Webb, a former Reagan administration Navy secretary who left the Republican Party over the Iraq war, won the Democratic nomination Tuesday to take on GOP Sen. George Allen (news, bio, voting record) in the fall. ADVERTISEMENT Webb defeated lobbyist and longtime Democratic Party activist Harris Miller after a bruising primary in which voters decided between a traditional and unabashed liberal (Miller) and a former Republican (Webb) whose populist campaign was aimed at so-called Reagan Democrats — namely, rural, white moderates. With 87 percent of precincts reporting, Webb had 73,031 votes, or 54 percent, compared with 61,566 votes, or 46 percent,...