I think Glenn Greenwald does a darn good job here, but I know that there are many in the audience who will have their fingers plugging their ears, at least figuratively, when Greenwald speaks.
The debates are also on the Intercept at A Spirited, Substantive Debate on the Trump-Putin Summit, Russia, and U.S. Politics. This is thee article that has links to both parts of the debate, and more.
Here is the excellent second part of the debate.
As Glenn Greenwald did, you can only eloquently express your opinion, but you can’t necessarily change someone else’s opinion.