Meadows 1/6 subpoena, toxic train disaster, Alabama Blackhawk crash

The special counsel investigating former President Trump subpoenas his former White House Chief of Staff Mark Meadows. We'll tell you why he could be a crucial January 6 witness. Plus, outraged families demand to know if their homes are safe after chemicals linked to cancer leak from a crashed train. CNN is on the scene on East Palestine, Ohio. And, a Blackhawk helicopter fell from the sky and crashed onto an Alabama highway. What we're learning about the tragic training flight that killed two national guardsmen.

Also this morning: GOP presidential candidate Nikki Haley says politicians over 75 need “mental competency tests”, Sen. Chris Murhpy talks about his reintroduction of legislation on background checks for gun ownership, Food Network’s Robert Irvine sits down with CNN this Morning to talk about his secrets to success, NARCAN is one step closer to over the counter approval, and Tiger Woods returns to competitive golf after 7-months.

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