Bag ban? The Southampton town board meets at 12:30 p.m. Friday at Town Hall. The board will hear a report from the Sustainability Committee on various projects, including possible legislation to ban the use of plastic bags. Check Stacey Altherr’s Twitter updates @staceyaltherr.
Air show: The 2011 Bethpage Air Show at Jones Beach will take place Saturday and Sunday. The show, which will include the A-10 Thunderbolt II and the world’s last operational B-29 bomber, will begin at 10 a.m. and conclude at 3 p.m. both days. Check both days for staff updates at newsday.com.
Graduation day: The Central Islip-based Touro Law School will hold its commencement exercises at 2 p.m. Sunday at the Beacon Theatre (Broadway at 74th Street, Manhattan). Check staff updates at newsday.com.