It sounded good but nothing "concrete."

I guess the question then is what do YOU believe is responsible, since gasoline and about everything else started turning to shit almost to the day he took office! I remember even the stock market took a big fall that day. It jumped way up the first day Trump was in office.
So what do you need, a signed receipt from all of the OPEC nations attesting that gas prices are so high because of Joe Biden? Because the day he took office his first action was to kick our domestic oil producers (and Canada) squarely in the nuts? And has been making life impossible for them ever since. The discussion is moot, there is no such "concrete" direct and simple evidence any child can see, so you just have to rely on your intelligence, common sense and instincts to tell you the cause for yourself.