The Supreme Court's ruling last year on presidential immunity has broadened the limits of legal protection for presidents, both sitting and former, in relation to their official acts.

President Trump is again seeking prosecution of his most prominent rivals — this time with aides more inclined to carry out his wishes.

"He's done criminal acts. There's no question about it. But he has immunity and it probably helped him," Trump said.

Director of National Intelligence Tulsi Gabbard on Wednesday declassified additional materials on the intelligence community's assessment of Russia's actions in the 2016 election, claiming in a social media post and at a White House press briefing that they showed Obama administration officials "manufactured" information in order to undermine then-candidate Donald Trump.