You may not have to worry about the threat of rockers and police anymore, but the music lives on. It’s time to rev up that Lambretta and get ready for Mod Mania.This is a highly unusual behavior for walruses, who mostly eat mollusks and other small seafloor prey. Walruses have been known to eat a bird if the opportunity presents itself who wouldn’t But no one has ever reported a walrus attack on a large flock and this is the first time such behavior has been caught on film.Other acts Saturday included Weezer, Jack Whites the Dead Weather, Norah Jones and a middle-of-the-night set by the jam band Disco Biscuits.BP engineers have moved the fourstory containment dome, which was seen as the best shortterm way to stem the flow from a ruptured oil well, off to the side on the sea floor They plan to come up with a solution in the next two days, Doug Suttles, BPs chief operating officer, told reporters.