The world is still reeling from the shocking invasion of Israel over the weekend, where Hamas militants staged the most audacious and horrific attacks in Israel resulting in the biggest loss of Jewish life since the Holocaust. But questions are now being asked, to how the country's high tech military and sophisticated intelligence services missed what Hamas was planning? Did Mossad drop the ball? What responsibility belongs to Israeli Prime Minister Benjamin Netanyahu? One Decision's Sir Richard Dearlove, the former Chief of MI6, examines the issues that may have impacted Israeli intelligence agencies' ability to anticipate the worst attack in the state's history.