This week on Under the Radar with Callie Crossley:

After four years of work, the Green Line extension will finally open for service on Monday . Plus, Boston City Council approved a petition to allow 16- and 17-year-olds to vote in local elections , but the state Legislature has the final say. And a local photographer showcases residents in Dorchester.

Guests:

Sue O’Connell , political commentator and analyst for NECN, NBC10 Boston and co-publisher of Bay Windows and South End News

Gin Dumcius , managing editor at the Dorchester Reporter

Mike Deehan , co-writer of the Boston Axios Newsletter