Dolphins, Pelagic Red Crab, Sun Fish Point to El Nino Coming to Northern California

The subjects of science are often witnessed through microscopes, tiny squiggly things writhing in a petri dish. But last week as a large research boat drifted through the Gulf of Farallones National Marine Sanctuary, science was getting scrutinized through binoculars and even the naked eye. Joe Rosato Jr. reports.