Alan Ruskin, Deutsche Bank Chief International Strategist, offers insights on output gap measurements. Jeffrey Sachs, Columbia University Economics Professor, says professionalism is key in the Fed. Ellen Zentner, Morgan Stanley Chief U.S. Economist, thinks it's a relief that Stephen Moore's nomination was pulled. Jeff Rosenberg, BlackRock’s Systematic Fixed Income Team Senior Portfolio Manager, says today's jobs data continues a sequence of strong reports. Ken Langone, Author of "I Love Capitalism" & Home Depot Co-Founder, says capitalism can be brutal but it works.