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 — and they nearly never did. Guest: Julian E. Barnes, who covers national security for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.  Background reading: The Trump administration’s 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 “completely debunked.”