David Michaels, a left-wing ideologue who supports junk science and seeks to restrict gun possession, has been approved by the Senate Health Committee to head the federal Occupational Safety and Health Administration (OSHA). Only two Senators -- both Republicans -- voted against Michaels, who was nominated by President Obama. The vote occurred with no discussion, and no hearing was even held on his nomination, although hearings have consistently been held on nominees in the past, even for far less controversial picks. Gun-law expert David Kopel explains how Michaels wants to ban guns in and near workplaces, and could use his...