WASHINGTON - The National Education Association, the nation's largest union, endorsed Democrat John Kerry (news - web sites) for president Monday, the final touch in its campaign to drive up school spending and reshape the biggest education law in decades. The NEA, a 2.7-million member group composed mainly of teachers, is out to advance its agenda on everything from testing students to halting private-school vouchers. The union is mobilizing its money and forces for Kerry — targeting political staff in 15 swing states, going into schools to rally its members, and joining liberal groups to organize a massive night of...