Trump steps up attacks on Harris, stays silent on running mate pickNathan Layne, ReutersUSAJul 10, 202408:25 am ISTListenReader viewShareClick for more articles on these topicsDonald TrumpUS ElectionPresident Joe BidenAge ConcernKamala HarrisRepublican CandidatePresidential ElectionUS Vice PresidentPolitical AttackMental Acuity