Mark Bittman, a New York Times food writer, will speak Wednesday as part of a series sponsored by Temple’s Feinstein Center for American Jewish History. WhatIsYourFoodWorth.com, does not claim to answer its eponymous question, only complicate it. "Do we value price? Do we value sustainability? Do we value social justice?" said Bryant Simon, Feinstein Center director and Temple professor. "If you say yes to any of those, it complicates the question immediately."