Today on Boston Public Radio: Medical ethicist Art Caplan talks about the benefits and drawbacks of vaccine lottery incentives, in light of the VaxMillions program announced Tuesday by Gov. Charlie Baker. Next, we open phone lines to hear listener thoughts on the Massachusetts newly-announced VaxMillions lottery program. Homeland security expert Juliette Kayyem discusses President Biden’s meeting with Russian President Vladimir Putin. She also spoke about the national security implications of the looming hurricane and wildfire season. Bina Venkataraman talked about the Boston Globe’s new six-part series, “Future Proofing the Presidency,” about the legacy of former President Trump and the future of American democracy. Venkataraman is the editorial page editor of The Boston Globe. Her latest book is “program.mit.edu/book/the-optimists-telescope-thinking-ahead-in-a-reckless-age/#:%7E:text=A%20trailblazing%20exploration%20of%20how,decisions%20for%20the%20long%20run.">The Optimist's Telescope: Thinking Ahead in a Reckless Age.” Washington Post financial columnist Michelle Singletary discussed her latest book, “What To Do With Your Money When Crisis Hits.” Journalist and naturalist Sy Montgomery returned for our monthly edition of “Afternoon Zoo.” She talked about her sympathy for the humpback whale who nearly swallowed a lobster fisherman off of Cape Cod, stand-up fathers of the animal kingdom, and the dogs who are learning to talk to their owners.