Article continues below advertisementA veteran White House correspondent is giving his thoughts on Donald Trump's behavior and lifestyle as rumors continue to swirl about his health. Speaking about the president's "constant energy" and "constant activity" on a new episode of The Daily Beast's podcast, ABC News' Jonathan Karl declared that he feels Trump is "almost acting like a guy that feels like he's running out of time.""Look, he's 79 years old. He doesn't really exercise," Karl told host Joanna Coles. "His diet isn't exactly the model diet.