The Barrington Town Council meets at 7 pm in the Council Chamber in Town Hall for its monthly session; the draft ordinance that bans plastic grocery bags will be introduced.

Brown University anthropology professor Catherine Lutz will lead an East Bay Citizens for Peace-sponsored discussion on “The Costs of War: Human, Economic, Social, and Political” in the Barrington library auditorium at 7 pm. The talk will focus on the 2011 Costs of War Report -- the first comprehensive analysis of a decade of wars.

The Barrington Community School offers an outdoor T'ai Chi class at Haines Memorial Park, led by Bob McManus, at 8:45 am. Classes will meet at St. John's Episcopal Church if it rains.

Play bridge at the Barrington Senior Center at 6:45 pm.

Triton Swimming offers a customized workout for you each Monday at 8:30 am either in Narragansett Bay or at the East Providence Boys and Girls Club; contact Michael Sever for more information at http://www.swimtriton.com.