WASHINGTON (AP) – A former National Security Council aide will tell the House impeachment hearing that one of the central Republican talking points – that Ukraine interfered in the 2016 U.S. election – is a “fictional narrative” perpetrated and propagated by Russian security services. In prepared testimony Thursday, Fiona Hill stressed that she is a “nonpartisan foreign policy expert” who has served Republican and Democratic administrations. Hill says the impact of the Russian campaign remains evident today.i