Kate Moore, chief equity strategist at BlackRock, says nimble and different companies are capturing growth. Mohamed El-Erian, chief economic adviser at Allianz, says a low-growth economy is giving rise to the politics of anger. Michael Chertoff, chairman of the Chertoff Group, says Yahoo's failure to disclose the hacking of 500 million accounts will have an impact on the merger with Verizon. John Engler, Business Roundtable president and a former three-term governor of Michigan, says we need to retrain people who have lost jobs to fit with our new economy.