Not too long ago The Foundry chef/owner Eric Greenspan challenged Sang Yoon and his heralded Father's Office burger to a "Burger Bout" by placing a sign on the restaurant's door in the middle of the night. The stunt got the attention of the food "in crowd" here in Los Angeles and Greenspan's burger profile was raised. More recently, his burger bona fides were validated when LAist named The Foundry home to the best gourmet burger in town. All this burger brouhaha meant I was compelled to give The Foundry burger a closer look. More