<a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Jeh+Johnson&family=editorial&specificpeople=5862084 ng-click='$event.stopPropagation()'>Jeh Johnson</a>, U.S. secretary of Homeland Security (DHS), swears in to a Senate Judiciary Committee hearing in Washington, D.C., U.S., on Thursday, June 30, 2016. Johnson said gun control is a matter of homeland security during the hearing. Photographer: Andrew Harrer/Bloomberg via Getty Images