president squaring off today in a very high stakes hearing before an appeal s court. also tonight, new developments in the colorado massacre investigation. the suspect now formerly said in the custody of the sheriff although not yet formerly said charged. the colorado attorney general joins me live this hour. plus, heavy fighting tonight in eastern ukraine as wintersets in and russian attacks cause colossal damage to the ukrainian power grid. we re hearing reports of massive shelling right now on the front lines. welcome to our viewers here in the united states and around the world. i m wolf blitzer. you re the situation room. let s get right to our top story tonight. federal prosecutors taking on the trump legal team in the ma mar-a-lago case. paula reid is on the story for us. paula, this is the first legal