https://pjmedia.com/richardfernandez/2009/02/03/what-can-we-know/feed/PJ Media is a leading news site covering culture, politics, faith, homeland security, and more. Our reporters and columnists provide original, in-depth analysis from a variety of perspectives.en-usFri, 12 Jun 2026 04:04:07 -0400<![CDATA[Frank J. Tipler, Professor of Mathematical Physics at Tulane University and published author, argues that macroeconomists &#8212; and by implication the politicians who rely on their models &#8212; are flying blind because none of them work with any reliable precision. He writes that both Galbraith and Friedman were alike in one respect: neither could tell you what was going to happen to the economy.]]>Tue, 03 Feb 2009 05:49:19 -0500<![CDATA[Richard Fernandez]]>https://pjmedia.com/richard-fernandez/2009/02/03/what-can-we-know-n187197