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Rami Levy, founder and chief executive officer of Rami Levy Chain Stores Hashikma Marketing 2006 Ltd., Israel's largest discount food retailer, poses for a photograph by the ice-cream freezer in a Rami Levy Supermarket in Jerusalem, Israel on Sunday, Nov. 23, 2014. Levy has built his fortune by undercutting competitors with promotional campaigns such as what the media dubbed Israel's "Chicken War," which in 2008 brought the price of a bird below 1 shekel per kilo. Photographer: Ariel Jerozolimski/Bloomberg via Getty Images

Rami Levy, founder and chief executive officer of Rami Levy Chain Stores Hashikma Marketing 2006 Ltd., Israel's largest discount food retailer, poses for a photograph by the ice-cream freezer in a Rami Levy Supermarket in Jerusalem, Israel on Sunday, Nov. 23, 2014. Levy has built his fortune by undercutting competitors with promotional campaigns such as what the media dubbed Israel's "Chicken War," which in 2008 brought the price of a bird below 1 shekel per kilo. Photographer: Ariel Jerozolimski/Bloomberg via Getty Images