Secretary's short tenure long on scandals and other woes
                                
                                
                                    (Newser) -
                                    The secretary of Veterans Affairs, the head of the second-biggest federal department, is stepping down and will be replaced by October 1, reports the Washington Post. For 2½ turbulent years, Jim Nicholson, a decorated Vietnam vet and former RNC chair, presided over a department beset by criticism and overwhelmed by...