With just a few days to go until the US presidential election, rock star Bruce Springstein has given Senator John Kerry a helping hand at a rally in Madison, Wisconsin. .Buoyed by the 80,000-strong crowd, Kerry joked that when George W. Bush heard that “the Boss” was playing at the rally, the president thought Dick Cheyney was turning up. He also broached more serious issues – blaming Bush for the fact that 380 tons of explosives have gone missing in Iraq. “And now George Bush’s shifting explanations and efforts to blame everybody except themselves is evidence that he believes the buck stops anywhere but with the president,” said Kerry. “And we need a president who takes responsibility and understands what being Commander in Chief is all about.” Iraq and terrorism have dominated the contest. An ill-timed report for Bush in the Lancet medical journal claims 100,000 Iraqi civilians have died since the US-led invasion. It is the fourth day that the candidates for the White House have been at odds over the disappearance of the weapons. Bush sought to turn that controversy against his opponent. “This week Senator Kerry is again attacking the actions of our military in Iraq, with complete disregard for the facts,” he said. Polls show the contenders are neck and neck. Analysts predict a tight finish in the November 2 election.