Markey endorsed current state representative Erika Uyterhoeven (D-Somerville) in her 27th Middlesex Democratic primary against Kathleen Hornby, a self-described progressive who doesn't identify as a socialist.
Switchblades are now legal to carry in Massachusetts because a state law banning them violates the right to keep and bear arms, the state's highest court said.
Gun-rights decisions by the U.S. Supreme Court in recent years that confirm an individual right to keep and bear arms also apply to knives, the Massachusetts Supreme Judicial Court found in a decision issued Tuesday.
