Democrats battling for political survival in races that may decide the balance of power in Congress are getting a big boost from the anti-war effort. MoveOnPAC.org, an Internet site, has raised more than $1 million in 48 hours for what it calls four "heroes" of Congress who opposed the Iraq resolution. Sen. Paul D. Wellstone of Minnesota, Reps. Rick Larsen and Jay Inslee of Washington, and Rep. Rush D. Holt of New Jersey are being rewarded as "heroes of the anti-war effort" with money to fight their opponents in these last two weeks before the election, said Peter Schurman, executive...