Joel Kotkin is an Irvine senior fellow with the New America Foundation, which is based in Washington, D.C. He is the author of five books, including "Tribe"s and "The New Geography," both published by Random House. Kotkin is a frequent contributor to "The Washington Post," "The Wall Street Journal," "Inc." magazine, "The American Enterprise," and the "Los Aneles Times" "Opinion" section. He also serves as a senior fellow of the Newman Institute at Baruch College of the City University of New York and lectures at the Southern California Institute of Architecture. He lives in Valley Village, Los...