Top stories at the noon hour:
Teachers and the school board in Brattleboro and nearby towns have reached a tentative contract agreement; scientists say new pollutants ranging from caffeine to insect repellent have been detected in Lake Champlain or its tributaries; New Haven dedicates its post office to Matthew Lyon, a Vermonter who became a symbol of free speech in the post-Revolutionary War period; the Gill Odd Fellows Home in Ludlow will not lose its certification as a Medicare provider.