The U.S. border crisis, renewed threats of ISIS terrorism, American energy security and major Pentagon reforms are all near the center of the Trump administration’s focus in ways that heighten the stakes for Congressional oversight.

Ukraine imposed sanctions on former president and opposition politician Petro Poroshenko, including an asset freeze and a ban on withdrawing capital from the country, for what the domestic spy agency said on Thursday were “national security” reasons.

Prosecutor General's Office announced on Feb. 14 that criminal proceedings have been opened against businessmen and former high-ranking officials recently sanctioned by the National Security and Defense Council (NSDC).