Warren's main target, mostly: former New York mayor and Medford native Mike Bloomberg.

To recline or not to recline? This seemingly small question now feels urgent and polarizing, ever since a viral video showed a man on an American Airlines flight punching the back of a seat that a woman in front of him had tilted back. What's the right etiquette on a plane?

Analysis of the first debate between Rep. Joe Kennedy, III and Sen. Ed Markey.

Kennedy is challenging Markey for his Senate seat. Plus, we ask: When you get on a plane, do you recline, or not?

Brian Greene, professor of physics and mathematics at Columbia University, joins us to talk about his new book, "Until the End of Time: Mind, Matter, and Our Search for Meaning in an Evolving Universe." Greene also shares his thoughts on the importance of science education.

Boston writer and dramaturg P. Carl says he's lived a double life, first as a woman for 50 years and now as a man. His new memoir, “Becoming a Man: The Story of a Transition," untangles those lives.

We'll talk local impacts of the virus. Plus, Boston writer and dramaturg P. Carl on his memoir, “Becoming a Man: The Story of a Transition."

WBUR's Shannon Dooling has more on a number of specially trained, tactical agents and officers of the U.S. Customs and Border Protection agency who are working in Boston.

What does that mean for the city's immigrant population? Also, James Roosevelt, Jr. on changes to the the DNC's rules about delegates.

On this President's Day, we look at how the founders envisioned the office of the presidency, how presidents from both parties have expanded the powers of the position over time, and what the current pattern could mean for the future of our democracy.