'A million miles per hour': Inside Trump's campaign when Trump Jr. met with Russian

It was June 7, 2016, and Donald Trump stood on the stage at his Westchester County, New York, golf club to launch his general election race against Hillary Clinton with a big promise.

"I am going to give a major speech," Trump declared, before his gaze drifted away from the prepared remarks on the teleprompter at the close of an unusually subdued primary…