RedOrbit: A publicity stunt organized by Greenpeace at the Nazca Lines has officials at the environmental advocacy group apologizing and potentially facing prosecution for possible damage caused at the ancient Peruvian heritage site. According to BBC News environmental correspondent Matt McGrath, activists from the organization placed a banner next to a hummingbird figure carved into the plains of Southern Peru more than 1,500 years ago. Greenpeace said it was hoping to put pressure on UN officials currently...