White House tried to cover up Trump's Ukraine conversation, whistleblower alleges

Donald Trump’s actions on Ukraine “pose risks to US national security”, according to a whistleblower’s complaint released on Thursday which also appeared to reveal an attempt by the White House to cover up conversations with a foreign leader.....
 https://www.theguardian.com/us-news/2019/sep/26/slug-trump-ukraine-latest-whistleblower-complaint-2020-election