9 AM ET: Cold caucuses, frostbite risks, AI warning & more

CNN 5 Things - A podcast by CNN

Candidates are hoping the cold doesn't put off Republicans ahead of the Iowa caucuses tonight. Meanwhile, dangerous windchill is forecast for 100 million people in the US. The US says it's destroyed a missile fired towards a Navy Destroyer in the Red Sea. After a nine hour delay, Guatemala's president has finally been sworn in. Plus, another warning about AI. Learn more about your ad choices. Visit podcastchoices.com/adchoices