An incident involving a physical attack by a female Secret Service agent tasked with protecting Vice President Kamala Harris is raising questions about whether the agency had thoroughly vetted her during her hiring and whether an ongoing push to increase the numbers of women in the service and boost overall workforce staff played a role in her selection. The Secret Service agent assigned to Vice President Kamala Harris was removed from her duties Wednesday after physically attacking the commanding agent in charge and other agents trying to subdue her, according to an agency spokesman and knowledgeable Secret Service sources. Several...