Richard Haass, president of the Council on Foreign Relations, says Rex Tillerson can't succeed in his role as Secretary of State and that it's hard to run a disciplined operation under this administration. Jared Bernstein, a senior fellow at the Center on Budget and Policy Priorities, says a lot of economists are worried about the proposed tax plan's impact on deficit and debt. Finally, Willett Advisors' Steve Rattner says it's the White House's responsibility to "herd the cats" and bring people together.