Today on Boston Public Radio:

Spencer Buell and Erica Walker talk about the rise of noise complaints in Boston, and what -- and if -- residents and politicians should do about it. Spencer Buell is a staff writer for Boston Magazine. Erica Walker is a noise researcher who founded Noise and the City. She is an assistant professor of epidemiology at Brown.

Then, we asked listeners their experiences with noise in the city.

Juliette Kayyem updates listeners on the latest in the Jan. 6 committee investigation, including Steve Bannon’s contempt charge. Kayyem is an analyst for CNN, former assistant secretary at the Department of Homeland Security and faculty chair of the homeland security program at Harvard University’s Kennedy School of Government.

Corby Kummer discusses the pros and cons of emerging grocery delivery services that promise groceries in 15 minutes, which have arrived in New York City. Kummer is the executive director of the food and society policy program at the Aspen Institute, a senior editor at The Atlantic and a senior lecturer at the Tufts Friedman School of Nutrition Science and Policy.

Rick Steves tells stories from his latest trip, in which he spent three weeks in Italy and Greece, and his experience hiking Mont Blanc. 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.

Jon Gruber weighs in on the economic impact of the infrastructure bill. Gruber teaches economics at MIT. He 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.”

We end the show by asking listeners their thoughts on 15 minute grocery delivery.