WASHINGTON -- Rep. Jerrold Nadler will go back under the knife next month for a second surgery to speed up his weight reduction. Nadler, a Manhattan Democrat, underwent the first procedure almost a year ago, and has since shed about 75 pounds. "I certainly am doing a lot more walking and so forth," said Nadler, who at 5 feet 4 inches tall once weighed 338 pounds. "I didn't take the subway before because I didn't want to walk the stairs -- now I take the subway all the time." Nadler's surgery, to be performed at Mount Sinai Hospital, will complete...