 Complete the following phrase:  Editor and columnist Don Ross later worked as a columnist and assistant managing editor at the Post-Tribune in Gary, Indiana. He was a celebrated writer who formed an alliance with syndicated columnists Art Buchwald, Russell Baker, Erma Bombeck and Andy Rooney to create an unofficial club, the Academy of Humor Columnists. As an Oklahoma legislator, Ross sponsored the bill that created the Tulsa Riot Commission that conducted the first serious investigation into the 1921 