5 things to know for Dec. 12: Health care, Redistricting battles, Washington floods, Immigration, Artificial intelligence

KSTU, CNN By Alexandra Banner, CNN The FDA intends to put a “black box” warning on Covid-19 vaccines, sources tell CNN. A boxed warning is the agency’s most serious alert and is meant to warn about drug risks. Here’s what else you need to know to get up to speed and on with your day.