The Federal-Postal Coalition -- a group representing more than two dozen federal employee unions -- pleaded with Congress on Monday to spare their members in any deal related to the "fiscal cliff." Federal workers, the coalition wrote in a letter, have contributed more than their fair share toward reducing the debt and are the only group that has been targeted so heavily. “Federal and postal employees and their families are hardworking, middle-class Americans who are struggling during these tough times just like other Americans,” the group wrote. “No other group has been asked to financially contribute the way they have,...