TODAY March 20, 3RD Hour: By The Numbers: First Day Of Spring | Catching Up With…Shawn Hatosy | The Pussycat Dolls Reunite

NBC’s Brian Cheung breaks down the numbers to kick off the spring season. Also, Shawn Hatosy stops by to talk The Pitt Season 2 and Ready or Not 2. Plus, The Pussycat Dolls drop in to celebrate new music and their reunion tour. And, Ally Love returns to share happiness tips for World Happiness Day.