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presidential candidate ron desantis plans to campaign next week. big announcement. and policer he called 911 for help. his family says they want justice. ahead, details on the boy's condition and a planned protest in mississippi. new research suggests the pill form of drugs like ozempic would work as well and obviously without the shot. what that could mean for this whole new world of weight loss drugs. this is cnn "news central". this morning, if a tree falls in the woods on twitter but twitter doesn't work, does it make a sound? that is the question swirling around the politi...

so, we had newt gingrich and mitt romney. both on the offensive over the last 24 hours. they know that six days is a short time and that's when the caucuses are. what have we been hearing from both of the candidates, mark? >> well, hala, you're absolutely right. so much on the line, so much at stake here. six days until january 3rd when iowa republicans will caucus and will really kick off what has been already a very long presidential season. well, newt gingrich had pledged not to go negative in this campaign. he had said that he would only go positive and talk about his plan to try...