Bernie Sanders has called for a fresh new 9/11 investigation to get to the “root cause” of what happened on September 11, 2001. In an interview aired on Sunday, Sanders said he supports Senate legislation that will allow families of 9/11 victims to sue foreign governments, such as Saudi Arabia, for their involvement in the 9/11 attacks. “I think there’s a lot about Saudi Arabia that we don’t fully understand. And I want to get to the root cause of it,” Sanders told NBC News. “The root of what Saudi Arabia has done.” Politico.com reports: Remarking that there is “some evidence — and we will have to ascertain whether it’s accurate or not — that money from Saudi Arabia actually funded a 9/11 attack,” Sanders noted that Saudi money “is going all over the world” to fund the austere Wahhabi form of Islam. “And I think that the full extent of the role that Saudi Arabia plays in supporting extremism in this world is something that we should explore,” Sanders said. Hillary Clinton has voiced support for the bill, which is co-sponsored by Sen. Chuck Schumer (D-N.Y.). The White House has suggested that President Barack Obama would veto the bill [...]