Who Will Regulate the Regulators? Administrative Agencies, the Separation of Powers, and Chevron Deference By Elizabeth Slattery

This allows Members of Congress to “claim credit for ‘doing something’ while evading blame for specific regulations.”
http://www.heritage.org/research/reports/2015/05/who-will-regulate-the-regulators-administrative-agencies-the-separation-of-powers-and-chevron-deference