Joseph Stiglitz, Columbia University Professor, says the tax 'trigger' in the proposed tax bill is the worst kind of economic policy that you can imagine. Yanis Varoufakis, Former Finance Minister of Greece, says the architecture of the European economy can't sustain the shockwaves of this post globalization era. Jeffrey Currie, Goldman Sachs Global Head of Commodities Research, says its very surprising that the oil markets have not moved higher given the strength of the fundamentals and geopolitical risks. James Stavridis, Tufts Fletcher School Dean, says the chances of war in the Korean Peninsula have gone up.