President Bush and Democratic challenger John Kerry clashed over terrorism Saturday, as the re-emergence of Osama bin Laden added a new element of uncertainty to Tuesday's election.
In appearances in closely-fought states in the upper Midwest, both Mr. Bush and Mr. Kerry both sought to take political advantage of the new tape by bin Laden.
The candidates each said they would do the best job of fighting al-Qaida and questioned their opponent's approach to hunting down the mastermind of the September 11th terrorist attacks.
Mr. Bush -- a Republican -- accused Mr. Kerry of being weak, while the Massachusetts Senator said he would run a "smarter, more effective" war on terror.
Opinion polls show the two candidates virtually tied just three days before Tuesday's elect