We almost lost L.A. today. Ok, perhaps I’m exaggerating a bit, but I bet while the earth was shaking celebrities were saying their prayers and begging to be spared. LOS ANGELES, California (CNN) — A magnitude-5.4 earthquake shook the Los Angeles metropolitan area Tuesday, leaving residents rattled but causing no serious damage or injuries. However, the temblor served as a warning to southern Californians who had not experienced...