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A warm welcome to our viewers watching from the United States and all around the world. Im paula newton. Ahead on cnn newsroom, republican candidates gatherer in iowa. See how one found out the hard way what happens when you target the former president. Plus when it comes to u. S. Weather, even the good news says theres little relief in sight for much of the country. Well explain and have the latest on the heat alerts. And later, what its like living in odesa and seeing Historic Places destroyed by russian attacks. Well get a firsthand account of life in the war zone. So if donald trump or his...

Time in decades. he didn't govern the way he just described he wants republicans to do if they take over in the next election but he is now a trump accolade and he's speaking from the per sspective of what donald trump would want. if they do take control, are still going to have to question whether they will listen to donald trump or whether they are going to prove they can govern. the best thing democrats say they would have going for them, politically for 2024 is republicans to act like that in 2022. >> thank you. top of the hour. welcome to cnn newsroom. >> right now in the white house si...

Research about its harm to teens. did you raise this issue with your supervisors? >> i did not work directly on anything involving teen mental health. this research was freely available to anyone in the company. >> miss davis testified last week, quote, we don't allow tobacco ads at all. we don't allow them to children either. we don't allow alcohol ads to minors, however, researchers also found that facebook does allow targeting of teens with ads on vaping. do you think facebook is telling the truth? >> i do not. i have context on that issue. i assume if they are using artific artificial inte...