NEWARK, Ohio -- Angry words and sharp disagreements about the economy and Iraq marked the first full day of the fall election season as Sen. John Kerry accused President Bush on Friday of saying anything to get re-elected, while the president warned that his opponent would raise taxes to pay for all of his promises. Bush was trying to capitalize on the just-ended Republican National Convention with visits to Pennsylvania, Wisconsin and Iowa--states he narrowly lost in 2000. Kerry, on the other hand, concentrated his efforts with a bus trip through Ohio, a state that went to Bush in the...