1. Watertown author Alex Liazos will discuss his book "Twelve Days in Viet Nam: The Life and Death of Nicholas Conaxis" tonight at a free event at the Watertown Library.
2. It's hockey night in Watertown, with both the boys and girls teams in action tonight against Stoneham.
3. A free workshop on options for going through a divorce will be held tonight.
4. The Conservation Commission meets tonight in Town Hall. See the agenda here.