Mr. Marshall has been editorial page editor at the Oakland Tribune, economics editor and technology writer for the San Francisco Chronicle, editorial writer at the San Jose Mercury News, and associate editor of Inquiry. He has been recognized for Best Censored Stories of 1994 and is the recipient of the Thomas M. Storke Award (three times), Best Editorial Award (California Newspaper Publishers Association), People for the American Way Award, Mencken Award, and Contra Costa Press Club Award for Editorial Writing.

His articles have appeared in the Wall Street Journal, New York Times, Washington Post, Infoworld, PC World, Mother Jones, National Review, California Lawyer, American Enterprise, Stanford Magazine, Philadelphia Inquirer, St. Louis Post-Dispatch, Sacramento Bee, Bulletin of Concerned Asian Scholars, Journal of American History, Journal of Policy History, and Middle East Report.