Adam Posen, Peterson Institute President, says there are very fundamental causes of low rates. Steven Cook, CFR Senior Fellow For Middle East And Africa Studies, says the U.S. can continue to fight terrorism without as large of a footprint in the Middle East. Gina Martin Adams, Bloomberg Intelligence Chief Equity Strategist, says volatility stays low as prices advance. Neil Dutta, Renaissance Macro Head of Economic Research, says the composition of growth is improving.