Conversations with Great Minds P2: Andy Sharpless - How do we fight ocean acidification?

There are a lot of fish in the sea - but are there enough to provide over a billion meals a day to the global community? And what can we do to ensure that our oceans are sustainable sources of food and nutrition for years to come? Can eating fish really save the world? I'll ask Oceana CEO Andy Sharpless in tonight's Conversation With Great Minds.