Donald Trump Saturday admitted to going “off teleprompter” to speak about President Joe Biden while he was campaigning in Pennsylvania. Trump has been advised by various GOP insiders and pollsters to stick to a disciplined message at his rallies, but over the weekend he decided to go off-message to insult his old political foe, Biden. The former president’s rally is in Wilkes-Barre. “Joe Biden hates her, ok? Hates her. You don’t mind if I go off teleprompter for a second, do you?” Trump asked the crowd. “Joe Biden hates her. This was an overthrow of a president. I spent a hundred million dolla…