Dukes, Willingham power Nationals pasts Cubs

Elijah Dukes hit a grand slam in a six-run fifth inning, Josh Willingham had two homers and six RBIs and the Washington Nationals rocked Carlos Zambrano in his return from the disabled list, routing the Cubs 15-6 on Tuesday night. Dukes drove in a career-high five runs as the Nationals sent the Cubs to their 13th loss in 18 games, bringing out the boos at Wrigley Field. Chicago fell nine games out of first in the NL Central.