Today on Boston Public Radio:

Arthur Brooks explains the role of charitable giving in finding happiness and other tips on the search for fulfillment. He’s the William Henry Bloomberg professor of the practice of public leadership at the Harvard Kennedy School, a professor of management practice at the Harvard Business School, the happiness correspondent at The Atlantic and host of the podcast series How to Build a Happy Life.

Callie Crossley discusses the legacy of feminist theorist and activist bell hooks, who died this week at 69. She also talks about City Councilor Lydia Edwards’ primary win in the special state Senate race, and concerns that former President Barack Obama’s presidential library may gentrify part of Chicago. Crossley hosts GBH’s Under the Radar and Basic Black.

Rick Steves shares stories from different Christmas traditions across Europe. Steves is an author, television and radio host and the owner of the Rick Steves’ Europe tour group. You can catch his television show, “Rick Steves’ Europe,” weeknights at 7:30 p.m. on GBH 2 and his radio show, “Travel With Rick Steves,” Sundays at 4 p.m. on GBH.

Andy Ihnatko goes over the latest tech headlines, including a new Adobe graphic design tool and Google’s move into augmented reality. Ihnatko is a tech writer and blogger, posting at Ihnatko.com.

Sue O’Connell weighs in on the new West Side Story remake, and a controversy in the Sex and the City reboot over a character having a heart attack. O’Connell is the co-publisher of Bay Windows and the South End News, as well as NECN's political commentator and explainer-in-chief.

Fiona Hill previews her memoir, “There Is Nothing for You Here: Finding Opportunity in the Twenty-First Century,” and weighs in on the similarities and differences between Donald Trump and Vladimir Putin. Hill served as deputy assistant to the president and senior director for European and Russian affairs in the Trump administration from 2017 to 2019, and was a witness in Donald Trump’s first impeachment hearing. Dan Adams reflects on five years of marijuana legalization in Massachusetts, and what still needs to happen to make legalization just and equitable. Dan Adams is cannabis reporter for Boston Globe and author of the “This Week in Weed” email newsletter.