Gen. Michael Flynn may have stepped down as National Security Adviser, but the scrutiny over his communications with Russia is just beginning. “There are questions about what, if any, contacts General Flynn had with the ambassador prior to the election,” said Sen. Mark Warner of Virginia, the senior Democrat on the Senate Intelligence Committee, in an interview hours before Flynn’s resignation. “These are legitimate questions and legitimate inquiries that I think Americans need to know.” In the Senate, Flynn is one of several figures close to President Trump who can expect to face tough questions as an intelligence committee investigation gets underway looking into Russian meddling before Election Day, the ranking Democratic overseeing the probe told ABC News. In the House, leading Democrats said they are looking to broaden their probe into allegations of Russian meddling in the campaign. “We in Congress need to know who authorized his actions, permitted them, and continued to let him have access to our most sensitive national security information despite knowing these risks,” said Rep. Elijah Cummings of Maryland, the ranking Democrat on the House Oversight and Government Affairs Committee. “We need to know who else within the White House is a current and ongoing risk to our national security.” A Cummings aide told ABC News the congressman has asked for a full classified briefing by all relevant agencies, including the Department of Justice and the FBI within the next 48 hours. Cummings officials also said they are monitoring reports of a Pentagon investigation…more detail