Barack Obama accuses Russia of adopting an “increasingly aggressive” stance on Ukraine, during a meeting with NATO's chief in the White House. RT's Gayane Chichakyan has the details. br br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ Listen to us on Soundcloud: br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.