Republican candidates for lieutenant governor Leah Cole Allen and Kate Campanale meet at WBUR's CitySpace at 11 a.m. Monday to make a case to voters ahead of the September primary. Whoever wins the Republican primary will be on the general ticket in November.

The candidates face off in a Sept. 6 primary.

Plus, two experts discuss the governor's race. And ESPN journalist Howard Bryant on the historic NBA retirement of Celtic legend Bill Russell's jersey number.

With the mild weather expected this weekend, get outside for several outdoor festivals. Or, enjoy one of the concerts planned in and around Boston.

Plus, the latest in the race to replace Gov. Charlie Baker.

Friendships between people of different class backgrounds appear to reduce poverty, according to a new study. And one nonprofit gym founded in Boston is living proof of the findings.

According to a state task force, at least 127 public water systems in Massachusetts have reported elevated levels of PFAS contamination.

Plus, we check in with Hiawatha Bray in our biweekly segment, Tech Talk, and EPA Regional Administrator David Cash gives us a crash course on PFAS, also called, "forever chemicals."

Boston Globe technology writer Hiawatha Bray says it's the latest in a series of Boston companies bought up by tech giants.

The three Democratic candidates for Massachusetts attorney general met to debate Wednesday at 11 a.m. at WBUR's CitySpace in the hopes of winning voters' support for the wide-open seat.