The hidden forces shaping your choices

Every day, we make countless choices—but are these decisions guided by desire or design? This hour, TED speakers on what shapes the food we eat, how we power our homes, and how we communicate. Guests include food systems expert Sarah Lake, infrastructure engineer Deb Chachra, cross-cultural psychologist Michele Gelfand, urban planner Jeff Speck, and Tempe resident Ignacio Delgadillo. Original…