There were signs that the White House vetting process was suddenly tougher, but in an unexpected manner. George David Banks, an official at the White House's National Economic Council, announced he was stepping down. He said he was doing so after disclosing that he had used marijuana several years ago. Like many other employees in the White House, Banks was working on an interim security clearance while investigators examined his background.

Source: Los Angeles Times February 15, 2018 00:32 UTC