Complex sentence: In these columns, Kaufman addresses what he views to be serious problems within the world of sports, specifically, publicly financed stadiums; performance enhancing substances; and the poor quality of television sports announcing.
Split into simpler sentences: In these columns, Kaufman addresses what he views to be serious problems within the world of sports. Some specific concerns of Kaufman include publicly financed stadiums, performance enhancing substances, and the poor quality of television sports announcing.