TODAY 8a: Al Roker is in Mayfield, Kentucky. Team USA Olympic plane reveal for 2022 Winter Games. Experimental vaccine for colon cancer.

<p>Al Roker is in Mayfield, Kentucky, lending a hand to the community hard-hit by tornadoes. Plus, the countdown to the Winter Olympics — we’re exclusively revealing the plane that will fly Team USA to the Games. And, we’re chatting with Tara Lipinski, Apolo Ohno and Johnny Weir. Also, an inside look at the experimental colon cancer vaccine.</p>