Editorial: Singles: Editorial-Singles-12

Watertown, MA., April 19, 2013:  A police SWAT team clears a building at the corner of Maplewood and Arlington Street. Photograph by Evan McGlinn for The New York Times.

Watertown, MA., April 19, 2013: A police SWAT team clears a building at the corner of Maplewood and Arlington Street. Photograph by Evan McGlinn for The New York Times.