Mohamed El-Erian, Cambridge University Queens' College President and Bloomberg Opinion Columnist, says that it becomes very difficult for economists to forecast with any degree of accuracy when structural change is going on in an economy. Dennis Gartman, Retired Editor of The Gartman Letter & Chairman of the University of Akron Endowment Fund, explains why he has been very bearish on equities. James Sweeney, Credit Suisse Chief Economist, says higher inflation is not the end of the world. Julie Norman, University College London Professor in the Department of Political Science, details the complexity of the conflict between Israel and Hamas.