Today on Boston Public Radio:

Chuck Todd updates listeners on the latest in politics, including President Joe Biden’s response to Ukraine and the disagreement between the U.S. and Poland over fighter jets. Todd is the moderator of “Meet The Press” on NBC, host of “Meet The Press Daily” on MSNBC and the political director for NBC News.

Then, we ask listeners their latest opinions on Russia’s invasion of Ukraine.

Jon Gruber breaks down the economics of sanctions and how they’re going so far in an attempt to stop Russia. Gruber was instrumental in creating both the Massachusetts healthcare reform and the Affordable Care Act, and his latest book is “Jump-Starting America: How Breakthrough Science Can Revive Economic Growth And The American Dream.”

Andrea Cabral talks about the Supreme Court’s unanimous decision to overturn an overly harsh sentence, and the Quincy post office manager arrested for selling confiscated cocaine. Cabral is the former Suffolk County sheriff and Massachusetts secretary of public safety. She’s currently the CEO of the cannabis company Ascend.

Juliette Kayyem discusses the state of Ukraine and the latest on Jan. 6 prosecutions. Kayyem was formerly an assistant secretary for homeland security under President Barack Obama, now the faculty chair of the homeland security program at Harvard’s Kennedy School of Government. Her forthcoming book is “The Devil Never Sleeps: Learning to Live in an Age of Disasters.”

Arun Rath previews tonight’s In It Together reunion show, commemorating two years since Governor Charlie Baker declared a state of emergency because of the pandemic. Arun Rath is the host of All Things Considered here at GBH, which you can catch weekdays from 4 to 7 P.M. Tonight’s In It Together reunion special will air right afterward, at 7 P.M. tonight.

We end the show by asking listeners for their memories from the start of the pandemic.

Guess Who’s Finally Going to the Border?