CHICAGO -- The only thing more unpredictable at Wrigley Field than the rain Saturday was the Dodgers' bullpen.J.P. Howell allowed four runs in the seventh inning, and Brian Wilson allowed two in the eighth, as the Chicago Cubs came from five runs behind to beat the Dodgers 8-7.Chris Coghlan's two-run home run off Wilson was the final dagger, erasing a 7-6 Dodgers lead.