At former President Donald Trump’s campaign rally in Coralville, Iowa on Wednesday, he emphatically stated that he is at the peak of his physical and cognitive fitness. Trump claimed that he passed his most recent physical exam “with flying colors” — and also gave a shoutout to Rep. Ronny Jackson (R-TX), who previously served as his physician when he was in the White House. “I’d want them to tell me” if it was time to “pack it in,” Trump insisted. He claimed he was sharper than he was 20 years ago, and that he’s a “much better golfer.” POLL: Should Trump be allowed to run for office? He also c…