credentials from a sony system administrator. >> the united states government is not blinking, we're not backing down, we're not in a crouching or fear position here. >> it's time for us to respond to this in a very strong way. hostage, terror in sydney. >> the taliban gunman entered the school after scaling its walls. the ruble losing half of its value to the u.s. dollar. i wouldn't rule out a visit from president castro. >> today the best-funded dictatorship in history. >> president obama breaking his own word, his own pledge. >> the policy of engagement with the cuban people will overtime help open things up. welcome back to "new day," i'm alisyn camerota alongside chris cuomo. >> the obama administration today expected to explain what they know about north korea's involvement in the massive sony hack attack. u.s. officials confirming evidence has surfaced linking