It's down to the final days of a big-spending, combative race between Rep. Nan Hayworth and Democratic challenger Sean Patrick Maloney, each courting voters in a redrawn district by portraying themselves as moderate and bipartisan and their opponents as extreme or untrustworthy. Hayworth, a Westchester County Republican who unseated John Hall two years ago in another hard-fought race, has spent much of the campaign on the defensive, fending off Maloney's portrayal of her as a tea party extremist bent on replacing Medicare with a voucher program, cutting off aid to Planned Parenthood and lowering taxes for the wealthy. But her...