It took just days for a whistle-blower complaint to prompt an impeachment inquiry of President Trump. But it took weeks for the concerns detailed in the complaint to come to light \u2014 and they nearly never did. Guest: Julian E. Barnes, who covers national security for The New York Times. For more information on today\u2019s episode, visit nytimes.com/thedaily.\xa0\n\nBackground reading:\xa0The Trump administration\u2019s handling of the accusations is certain to be scrutinized by lawmakers.President Trump was repeatedly warned by his own staff that the Ukraine conspiracy theory was \u201ccompletely debunked.\u201d