Cyberattackers are targeting cellphones here in the United States. President Vladimir Putin is said to have thousands of hackers working for him, and with growing tension over russias aggression in syria, how big a threat does putin pose to this country . I am wolf blitzer. You are in the situation room. A stunning defeat for president obama today. For the First Time Congress has overridden his veto of a bill. Were standing by to hear exclusively from the president after his own party abandoned him. The president ial candidates are on the attack today at a rally in iowa just now donald trump called Hillary Clinton corrupt, saying she put the oval office up for sale. Clinton has called in backup. Exrival senator Bernie Sanders joined her in the battleground state of New Hampshire, making a pitch to his millennial fans whose votes may be crucial to his chances. Michelle obama ripped into trump saying America Needs an adult in the white house. She painted trump as erratic and someone who,