U.S. Sen. Lindsey Graham, R-South Carolina, a Trump ally, is pushing legislation that would target Russia with substantial new sanctions.

Republican defense hawks are riding high after a series of events abroad prompted President Donald Trump to lean away from his more quasi-isolationist roots in his first term. His bombing of Iran, increased aggression toward Russia,

President Donald Trump said he will resume U.S. arms shipments to Ukraine and doesn't know who paused them to begin with.

Russia launched its largest drone attack on Ukraine, sending 728 drones and 13 missiles to strike cities around the country in multiple waves.

FNC's Peter Doocy asked President Trump at a White House event on Wednesday whether he would like to see former CIA Director John Brennan and former FBI Director James Comey "behind bars." The Trump DOJ reported Thursday that both are under criminal investigation related to the "Trump-Russia collusion" investigation that took place during and after the 2016 election.

Brennan said on Wednesday he "knows nothing" of the Department of Justice investigations into himself and ex-FBI Director James Comey but slammed the probes as politically motivated.

Brennan, who is a paid contributor to NBC News and MSNBC, said he has not been contacted by the Justice Department or the CIA about the reported investigation.