G.W. I question whether he tweeted this.
(Assuming this is an accurate Archive.) From:
http://www.trumptwitterarchive.com/archive
Jun 22, 2020 08:45:23 AM Because of MAIL-IN BALLOTS, 2020 will be the most RIGGED Election in our nations history - unless this stupidity is ended. We voted during World War One & World War Two with no problem, but now they are using Covid in order to cheat by using Mail-Ins! [Twitter for iPhone]
Jun 22, 2020 06:10:17 AM Barr: Mail-in Ballots ‘Absolutely Opens the Floodgates to Fraud‘ https://t.co/vd4AD3EPb0 via @BreitbartNews. This will be the Election disaster of our time. Mail-In Ballots will lead to a RIGGED ELECTION
also searched;
https://www.thetrumparchive.com/?dates=%5B%222020-06-20%22%2C%222020-06-22%22%5D
No joy.
I asked around FR when I first saw a white-letters-on-black-background version of the Tweet, and a couple people verified it.
Here’s the link I used. Seemed genuine enough to me.
https://twitter.com/realDonaldTrump/status/1275024974579982336