John Bolton, Former U.S. National Security Advisor and The Foundation for American Security and Freedom Chairman, says the U.S. and its allies are not doing enough to support Ukraine. Lori Calvasina, RBC Capital Markets Head of U.S. Equity Strategy, says companies have gotten much better at combating margin pressures. Andrew Hollenhorst, Citi Chief U.S. Economist, says it is important to watch the housing sector to see the impact of interest rates on the economy. Doug Kass, Seabreeze Partners President, explains why he thinks markets are underpricing risk.