Standing ramrod straight in dress blues and crisp khakis, the seven color guard members lifted their rifles for one of the most solemn moments of any Memorial Day parade, the 21-gun salute. Hundreds who had gathered to witness the tribute watched in silence. Just then, the eggs came flying. One glanced off a tree branch, and landed far away from the marchers in yesterday's Memorial Day Parade in Rockland, said Ryan Durfee , a former Marine who was marching in the color guard. Another crashed 8 feet in front of the color guard... After the throwing , Durfee said he...