jon: big developments on our top stories and breaking news this hour. jenna: the irs in the hot seat yet again. agency higher-ups taking tough questions as two hearings on capitol hill. also new testimony in the trial of a social eight accused of hiring a hit man to kill her ex-husband. what prosecutors say was her motive. the bitter cold is back with snow. it is all "happening now." start off with a fox news alert. ukraine's ousted president placed on an international wanted list for the mass murder of government protesters. that is creating a deeper rift within the country. great to see you. i'm jenna lee. jon: i'm jon scott. ukraine's western half, the ukrainian-speaking, pro-european