I don’t either.
Nixon actually walked out into the crowd at the Mall in Washington, D. C. in 1970.
Here read this. There’s a photo at the link.
Trump would not survive something like this today > IMO.
Skimming through that piece brings back many bad memories.
I had forgotten Nixon had gone out amongst them, he was taking a chance even then.
You’re right, I doubt Trump would survive that now but I’d like to think his SS detail would never let him do it because they know they’d all be killed.