MSNBC’s two-day climate change discussion with 2020 Democrats has yielded plans such as Andrew Yang’s intention to get rid of cars to Bernie Sanders saying America needs to declare war on the weather, or something. When it came to be Cory Booker’s turn, he fielded a question from a student:

But it’s the look on Booker’s face that really sold the clip:

What’s Booker thinking? Place your bets!