If there is an Exhibit A in the case that the Trump campaign colluded with Russia to fix the presidential election, it is the June 9, 2016, meeting in Trump Tower between three top campaign officials — Donald Trump Jr., Paul Manafort and Jared Kushner — and a group of Russians who promised dirt on Hillary Clinton.
And if there is a key document about the meeting — an Exhibit A of Exhibit A — it is …
