Among the more controversial chapters in "Suicide of a Superpower," my book published last fall, was the one titled, "The End of White America." It dealt with the demographic decline of the white majority and what it portends for education, the U.S. economy, politics and national unity. That book and chapter proved the proximate cause of my departure from MSNBC, where the network president declared that subjects such as these are inappropriate for "the national dialogue." Apparently, the mainstream media are reassessing that. For, in rare unanimity, The New York Times, The Washington Post and USA Today all led...