BOSTON - Sen. John Kerry, whose 2004 presidential campaign was torpedoed by critics of his Vietnam War record, said Friday he has personally accepted a Texas oilman's offer to pay $1 million to anyone who can disprove even a single charge of the Swift Boat Veterans for Truth. In a letter to T. Boone Pickens, the Massachusetts Democrat wrote: "While I am prepared to show they lied on allegation after allegation, you have generously offered to pay one million dollars for just one thing that can be proven false. I am prepared to prove the lie beyond any reasonable doubt."...