Today: April 21, 2004 at 13:06:17 PDT Pa. Congressman May Knock Out SpectorBy LARA JAKES JORDANASSOCIATED PRESS WYOMISSING, Pa. (AP) - Fourteen months ago, a conservative congressman set out on a seemingly quixotic quest to retire four-term Sen. Arlen Specter. The challenger had little money, scant name recognition and no support from party leaders. Now, with less than a week to go before the state's April 27 Senate primary, Rep. Pat Toomey has come within striking distance of defeating Specter in what has become one of the nation's most closely watched GOP contests this year. "I really believe we're going...