exaggerated hand gestures of his own. >> we're talking about the southern border. >> reporter: mr. trump declined to tip his hand on who would be the stronger candidate, o'rourke or biden. >> i think it's tough for somebody. you know what? whoever it is, it makes no difference to me. >> reporter: getting back to this fight over the wall. administration officials say plans are forwunderway to veto resolution rejecting the national emergency declaration. aides are hashing out a plan for t the president to use his veto pen. it would be surprising if the president did not veto this measure at some public event. this could happen in front of the cameras tomorrow. the president using that veto pen for first time. >> we will watch. jim acosta, thank you. let's get more right now. phil mattingly is on capitol hill for us. the president has been unequivocal, saying he will veto the resolution.