PBS: HARI SREENIVASAN: Next to the West Coast, where algae has been poisoning shellfish and subsequently people.In recent years, toxic algal blooms have been more potent and lasted longer.That has scientists trying to understand whether climate change could be contributing to the problem. Our report comes from special correspondent Katie Campbell of KCTS Seattle.She works for the environmental public media project EarthFix. KATIE CAMPBELL, KCTS:Every family has its legends. For Jacki and John Williford...