Jeff Currie, Goldman Sachs Global Head of Commodities Research, explains how big oil companies are adapting to a de-carbonized world. Eric Ross, Cascend Securities Chief Investment Strategist, analyzes  the "Apple ecosystem." Betsey Stevenson, University of Michigan Professor & Former Chief Economist of the U.S. Department of Labor, says we have never seen a higher wage gap between workers with college degrees and those without. Kevin Hassett, Council of Economic Advisers Chairman, says the U.S. is seeing real wage growth.