Today on Boston Public Radio:

John Rosenthal, co-founder of Newton based nonprofit Stop Handgun Violence, discussed the gun safety organization’s 25th anniversary.

NBC Sports Boston reporter Trenni Kusnierek discussed a recent PSA likening youth tackle football to smoking cigarettes. She also discussed Kenyan runner Eliud Kipchoge’s record-breaking marathon run.

Pediatrician Dr. Jon Winickoff spoke with listeners about the risks of vaping, in light of a Tuesday hearing on Massachusetts’ temporary vaping ban.

Food writer Corby Kummer discussed the temporary closure of 111 year old New York deli Barney Greengrass, along with a controversial video revealing how Panera Bread prepares its Mac and Cheese.

Boston Globe travel writer Christopher Muther spoke about Logan airport’s low rating in a recent airport satisfaction survey, as well as a new bus service offering travel from Boston to New York for five dollars.

CNN chief national correspondent John King previewed Tuesday night’s Democratic presidential debate.

We opened the lines to callers to ask: what are you expecting out of Tuesday night’s debate?