America’s Exploding Budget Deficit By Martin Feldstein Thu, Jun 7, 2018 SHARE ON: TwitterFacebookLinkedIn The U.S. should slow the cost of Social Security by raising the age threshold for receiving full benefits to 70 from 67, recommends Harvard's deficit hawk. Already a subscriber? Log in here This article is FREE for you... Create a free account to access this article and get more Retirement Income Journal information sent to you by newsletter. Email Password Or, subscribe now for unlimited access and a free book sent to you! By submitting your email address you agree for Retirement Income Journal to send you communication by email