Mitt Romney speaks in Jerusalem on Sunday, backing "any and all measures" to keep Iran from developing nuclear weapons. Uriel Sinai/Getty Images hide caption

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Syrian rebels patrol the streets near Aleppo, Syria. EPA /Landov hide caption

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Republican presidential candidate Mitt Romney places a prayer note as he visits the Western Wall in Jerusalem on Sunday. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

Republican presidential candidate Mitt Romney meets Israeli Prime Minister Benjamin Netanyahu before a meeting at the prime minister's office Sunday in Jerusalem, Israel. Uriel Sinai/Getty Images hide caption

itoggle caption Uriel Sinai/Getty Images