A coalition of environmental groups is asking the Obama administration to establish a 10-knot speed limit for ships traveling through California’s marine sanctuaries to avoid fatal collisions with whales Christian Louboutin Soldes Pas Cher, a problem they say has climbed to “unsustainable levels.” In Whale advocates want slower ships --Tony Barboza Photo: Lifeguards in Sunset Beach in 2009 prepare to tow out to sea the carcass of a gray whale calf believed to have been hit by a ship. Credit: Ken Hively/Los Angeles Times