The three Democratic candidates for Princeton Council will take part in a public forum at 7 p.m. tonight in the main meeting room at town hall, which is located at 400 Witherspoon Street. The forum is co-sponsored by the League of Women Voters of the Princeton Area and Princeton Community TV. Questions will be taken from the audience. The forum will be recorded for rebroadcast on Princeton Community TV (Comcast Ch. 30 and Verizon FIOS Ch. 45).