The Big Fix: Chinese companies hope to give the world cheaper batteries

Chinese solar panel manufacturers are expanding their businesses to sell battery storage, as well. That's because there's so much competition in the industry - and the scale of production surged so far beyond demand - that making the panels is no longer profitable. For The Big Fix, The World's Host Carolyn Beeler speaks with Jeremy Wallace, professor of China studies at Johns Hopkins, about whether that could do for the battery storage market what it did for solar.