Events in Westport today -- Monday, Dec. 17

Downtown 2020 Committee: 10 a.m. Town Hall.

"Muse:" 10 a.m.-4 p.m. Westport Arts Center, 51 Riverside Ave.

"U.S. Postage Stamps by Westport Artists:" 10 a.m.-4 p.m. Westport Historical Society, 25 Avery Place. Exhibit with companion, "The Road to 06880: Colonial Era to Present."

Gun violence discussion: 11 a.m. Christ & Holy Trinity Episcopal Church, 75 Church Lane. Area parents meet with leader of group, Connecticut Against Gun Violance, to discuss safety concerns in wake of Newtown school shootings.

Parks and Recreation Commission: 7:30 p.m. Town Hall.