DC could see 12 inches; 2K flights canceled
                                
                                
                                    (Newser) -
                                    It may be March, but the winter weather isn't over. The East Coast is once again getting pummeled by snow, with Washington, DC, and other mid-Atlantic cities expecting between six and 12 inches,  AccuWeather  reports. Ice, meanwhile, could reach to Charlotte, NC. Virginia, Tennessee, and Delaware are among states...