Is it possible to build 'meat' out of plant protein?

Aired: 11/26/2015 | 0:04:17 | Clip
Americans eat three times the world average of beef each year. However, with each pound requiring more than 50 gallons of water, producers in drought-stricken California are looking to find other ways to get protein into our diets. Dr. James Hamblin, a senior editor at The Atlantic Magazine, reports.