Lake Placid, NY, May 06, 2011 — The brother of a civil rights activist from New York who was murdered in Mississippi nearly 40 years ago is one of the featured speakers for the annual John Brown Day being held at the 19th century abolitionist's former farm. The event set for tomorrow afternoon at the John Brown Farm State Historic Site in Lake Placid will feature discussions on environmental and climate change issues. david Sommerstein talks with organizer Martha Swan.