Paul Solman answers questions from NewsHour viewers and web users on business and economic news most days on his Making Sen$e page. Here's Monday's query: We received a fascinating email in response to last week's installment of…

When economist Tyler Cowen finishes his day job at George Mason University and dinner time rolls around, he sinks his teeth into his hobby: blogging about -- and eating -- ethnic food in and around Washington, D.C.