Bay Area scientists researching how to better protect whales

Kara St. Cyr reports on researchers who are trying to protect Bay Area whales. Website: http://kpix.com/ YouTube: http://www.youtube.com/CBSSanFrancisco Facebook: https://www.facebook.com/CBSSanFrancisco Instagram: https://www.instagram.com/kpixtv/ Twitter: https://twitter.com/KPIXtv