It's naive to imagine Yeltsin's mind was really changed by a spontaneous visit. He didn't have intelligence on what a US supermarket was like? The premiere of a superpower just randomly decided to visit a grocery store?
No.
Yeltsin was contemplating reforms and changes and wanted to collect a political tool he could later user if needed. He knew exactly how this visit would go, and it was intended so he could use it as rhetorical device to illustrate the necessity of reforms.
No.
Yeltsin was contemplating reforms and changes and wanted to collect a political tool he could later user if needed. He knew exactly how this visit would go, and it was intended so he could use it as rhetorical device to illustrate the necessity of reforms.