Policy talks turn to folk music

State Representative Jay Kaufman of Lexington will host two free folk concerts this month as part of his ongoing public policy series, which has been running for 18 years. Singer and songwriter David Roth will perform at the Lexington Depot in Depot Square on Tuesday at 7 p.m. At 7 p.m. May 14, singer and songwriter Hugh Moffatt will take part in the second concert and conversation session at the Depot.