Paul Shapiro’s new book, Clean Meat: How Growing Meat Without Animals Will Revolutionize Dinner and the World ... Why conventional meat production is inefficient and unsustainable (not to mention cruel) ... Recent innovations in lab-cultured protein, fat, and even leather ... Will cultured meat ever become affordable? ... How plant-based “meat” and “dairy” have gained market share in the past decade ... Paul: History won’t look kindly on our treatment of animals ... How Paul's company is working to reduce meat consumption ...