[url= https://www.google.com/amp/s/www.psychologytoday.com/us/blog/mind-in-the-machine/201609/the-psychology-behind-donald-trumps-unwavering-support%3famp]Psychology of Trump supporters[/url]

Thanks for posting that. The short story:

"Trump supporters are not smart enough to know how dumb they are."

Ergo, it's hopeless. The Ds have no one. They can only encourage a massive turnout in the effort to defeat Trump.