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good morning to our viewers in the united states and around the world. it's kasie hunt. it's thursday, 5:00 a.m. here in washington. it's 4:00 a a.m. in iowa. there are now four days until the caucuses. hours ago, ron desantis and nikki haley went head to head on the cnn debate stage in the fight for number two. both deploying the pants on fire strategy. >> you have said it again. stop lying. >> she said she never said it. you're lying. >> it doesn't change the fact that ron is lying because ron is losing. >> you lie a the lot. hnikki haley gives him a run fo his money. >> you get th...

>> so that was christie in front of the cameras yesterday. but off camera, while still on mic, he had this to say about nikki haley and ron desantis. >> i have said it again, stop lying. >> then she said she never said it. you're lying. >> it doesn't change the fact respondent is lying because ron is lose ing. >> i nikki haley gives him a run for his money. >> let's try that again. we're going to see if we can bring up the hot mic moment that chris christie had before the event that he held in new hampshire, where he announced he was dropping out of of the race. and i do think it's worth point...