U.S. District Judge Robert W. Gettleman needed one word to sum up his holding on the argument a man who took a year of medical leave is not protected by the Americans with Disabilities Act.“Nonsense,” Gettleman wrote in an opinion last week.Gettleman did not rule on the merits of the allegation that S&C Electric Co. discriminated against Richard Rascher when it fired him after he contacted the company about returning to work.But Gettleman declined to dismiss the ADA claim included in the lawsuit that …