When it comes to retirement savings, the recent stock market collapse has surely focused the mind. For years, we embraced the lovely, but ultimately absurd, idea that double-digit returns on equity investments would continue forever. Now, retirees-in-waiting must get their arms around a market that lost half of its value between June, 2008 and March of this year. In this gut-wrenching environment, how should we think about retirement savings? Harvard law professor Dan Halperin, a visiting scholar at TPC, has a provocative solution: He’d dump all tax-advantaged employer-based retirement savings plans and use the money—nearly $100 billion in 2009-- to enhance Social Security.    more »