Mark Ronson DJs for July 4, GROUNDTONE Fest at PS 21, Maria Chavez plays Avalon Lounge, and a star-studded avant-jazz quartet debuts at Tubby’s.

The Transportation Security Administration (TSA) found a loaded firearm at a security checkpoint at Frederick Douglass Greater Rochester International Airport in Rochester, New York, two weeks ago.

Mr. Mamdani’s victory upended city politics and reverberated nationally. He relied on a memorable message, charisma and a ...