DeSantis hits trail, driving while black, Disney film fallout

Ron DeSantis gives the first speech of his presidential campaign in Iowa, taking aim at former President Trump. Our panel explains how that will play with the national audience. Plus, a new study shows the first 45 words a police officer says during a traffic stop of a black driver can predict how that encounter will end. One of the researchers, who discovered the warning signs of a police stop likely to escalate, joins CNN Tonight to discuss. And, the fifth grade Florida teacher being investigated for playing her class a Disney movie with a gay character in it, joins to tell Alisyn Camerota about the heated school board meeting where parents and students had a lot to say about the situation.

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