Efforts to Secure Elections Moving Too Slow, Senators Tell Homeland Security Chief

Sen. Richard Burr (R-N.C.), right, chairman of the Senate Intelligence Committee, speaks with Sen. Mark Warner (D-Va.), the ranking Democrat, during a hearing on election security on Capitol Hill in Washington, March 21, 2018. Kirstjen Nielsen, the secretary of homeland security and Jeh Johnson, who held the post during the Obama administration, both testified here. (Erin Schaff/The New York Times)