Burr steps aside as Senate intelligence chair amid FBI probe

Sen. Richard Burr, R-N.C., listens to testimony before the Senate Committee for Health, Education, Labor, and Pensions hearing, Tuesday, May 12, 2020 on Capitol Hill in Washington. (Toni L. Sandys/The Washington Post via AP, Pool)

WASHINGTON — A Republican senator with access to some of the nation’s top secrets became further entangled in a deepening FBI investigation as agents examining a well-timed sale of stocks during the coronavirus outbreak showed up at his home with a warrant to search his cellphone.