As the calendar hurtles toward the November general election, questions about President Joe Biden’s age and mental acuity are only going to heat up. Given that, it should come as little surprise that key Biden figures, like first lady Jill, have been on the offensive lately, pointing the finger at presumptive GOP presidential nominee, former President Donald Trump, and calling him old and absent-minded. Jill Biden, Ed.D.: “Joe isn’t one of the most effective presidents of our lives in spite of his age, but because of it!” 🥴 NARRATOR: It’s not about age — it’s about cognitive decline. pic.twitt…