Brad Setser, Senior Fellow for International Economics at the Council on Foreign Relations, on the latest tariffs push in the Trump/China trade war.  Denise Chisholm, Sector Strategist at Fidelity, on outlook for markets and sector analysis.  Kyle Stock, senior correspondent for Bloomberg, on how self-driving cars can't handle rain, sleet or snow.   Dr. Ellen Wald, energy analyst and President of Transversal Consulting, and Toby Harshaw, Bloomberg Opinion editor, on oil byproduct loopholes in the Iran sanctions before they hit in November.