The former FBI chief's testimony is expected to reveal Trump's intent when he asked for a halt of the Michael Flynn investigation.
Former officials' comments about Trump's attempts to lift sanctions come just days after reports Jared Kushner sought a back channel with Moscow.
The Brexit campaigner is a "person of interest" for the FBI because of his links to Julian Assange and Russia.
The president reiterated his claim that Russia's alleged involvement in the U.S. election was 'fake news.'
Three sources confirm American intelligence intercepts picked up Russians boasting of leverage on the president’s inner circle.
The president will deplane Air Force One Sunday facing a whole new series of leaks connecting his senior advisor to Russia.
The former national security adviser also won't turn over documents requested by the committee that is looking into Russian meddling in the presidential election.
The deputy attorney general also admitted knowing FBI Director Comey would be fired before writing a memo justifying the move.
Employees, bosses and even spouses have reason to keep records.