mark bittman has been a leading voice in food culture for three decades. born in new york city in 1950 he ban wright professionally in 1978, after five years as general assignment reporter, he turned all of his attention to food. his first cookbook, fish, the complete guide to buying and cooking, was published in 1994, and remains in print. since then he a has written or cowritten 30 others including the how to cook everything series. he was a distinguished fellow at the university of california berkeley and a fellow at the university -- union of concerned scientists. he remains a fellow at yale and now on the faculty of columbia university's school of public health and has received six james beard awards, four iacpwaters and numerous other honors and is also editor in chief of the mark bittman project, a news alert and website focusing on all aspects of food from politics to delicious. his most recent book is a history of food and humanity which we'll be talking about today. animal, vegetable, junk. welcome, mark. >> thanks, patty, sounds like you're talk