US President Barack Obama has said that a weakened Israel would be a “fundamental failure of my presidency,” claiming solidarity with America's long-time ally despite recent differences over the Iran nuclear deal. Obama admitted Israel has reason to be concerned about its foe, Iran, but he defended the framework agreement on Iran’s nuclear program that negotiators drew up last week. Obama made the comments to The New York Times in a 45-minute video interview on Saturday that was posted on Sunday, reports AFP. “I would consider it a failure on my part, a fundamental failure of my presidency, if on...