TODAY 8a: Pope Francis hospitalized. Air quality alerts for millions of Americans. Athletes to watch in Paris 2024. Inside the rebuild of Notre Dame.

<p>Pope Francis hospitalized and expected to remain there for days as he undergoes abdominal surgery. Also, millions of Americans under dangerous air quality alerts from those raging wildfires in Canada. Plus, a close look at the stars hoping to represent team U.S.A. And, Kier Simmons takes us inside the restoration efforts over at the famed cathedral of Notre Dame.</p>