Two former chairmen of the Council of Economic Advisers, Austan Goolsbee (L) and Michael Boskin testify before the Congressional Joint Ecoomic Committee on Capitol Hill February 28, 2013 in Washington, DC. Now economics professors, Boskin and Goolsbee disagreed on the speed of the nation&#39;s economic recovery during the hearing, titled &#39;State of the U.S. Economy.&#39;