Donald J. Trump is mentally exhausting with his avalanche of lies, blaming Joe Biden daily for problems largely of his own making. Gas prices aren't usually the fault of any president — unless they start an unnecessary war in the Middle East. Trump spoke to Miranda Devine of Pod Force One, who, by the way, offered no pushback whatsoever from the president's pathetic claims. "What about people who don't have 401Ks, and they're worried about gas o…