Gregory A. Clark: We can change the world for ourselves and others

Happy New Year! Or is it?Truth be told, our yin-yang brains are wired not only to seek novelty — but also to reject it.It’s a brave new world — but also a dangerous one. Both competing thrusts make sense. As any parent can attest, a kid’s natural first reaction to almost any new food is to spit it out: “That’s disgusting!” As literally it is: “Dis” = bad and “gustus” = taste. So we stick out our tongues and eject the new, suspicio