What to KnowDirector of National Intelligence Tulsi Gabbard and CIA Director John Ratcliffe faced a grilling at a Senate Intelligence Committee oversight hearing Tuesday.The hearing came after The Atlantic’s editor-in-chief said he was accidentally included in a group chat about military strikes a gainst the Houthis in Yemen.In an exclusive interview with NBC News, President Donald Trump said he is standing by national security adviser Mike Waltz, whose team Trump said was responsible for adding Goldberg to the chat.Speaking later from the White House, Trump downplayed the events and said the chat contained “no classified information, as I understand it.” The president said aides would “probably” not use Signal any longer. Also today, Trump’s nominee to head the Social Security Administration, Frank Bisignano, testified at his Senate confirmation hearing on cuts to the agency and talk of privatization.And the White House said that Russia and Ukraine had agreed to a ceasefire in the Black Sea and to implement a ban on attacks on energy facilities by the two neighbors, an apparent breakthrough after American negotiators held separate talks with both countries. Follow live updates here. ...read more read less