National Public Radio: Starved and emaciated, sea lion pups are beaching themselves along the Pacific Coast. A strong El Nino tropical weather pattern is to blame. Unusually warm sea surface temperatures in the western Pacific are moving east, forcing the sea lions’ natural food sources — squid, hake, herring and anchovies — to seek out cooler waters. Adult sea lions have enough fat stored up to survive the resulting food shortage, but their pups aren’t so well-equipped. Richard Evans, medical …