 Mr. Biden acknowledged last week's debate wasn't his best moment. He blamed his performance on exhaustion. The growing list of Democratic mega donors who were calling for Biden to step aside for another candidate now includes Netflix founder Reed Hastings saying Friday night, quote, Biden is unfortunately in denial about his mental state. Tropical storm Beryl now taking aim at the Texas coast. Beryl is expected to make landfall as a hurricane tomorrow night. This is ABC News.