GREAT BARRINGTON, Mass.–(BUSINESS WIRE)–The Board of Trustees of the American Institute for Economic Research (AIER), one of the oldest and most respected nonpartisan economic research and educational organizations in the United States dedicated to promoting classical liberal and free market ideas, has appointed Dr. Samuel Gregg as its new President. Gregg served as interim president after the previous incumbent, Dr. William Ruger, accepted the position of Deputy Director of National Intellig