 from ABC News. I'm Brian Clark. Less than 24 hours after Donald Trump was injured in an assassination attempt, President Biden said at the White House, We must unite as one nation. We must unite as one nation to demonstrate who we are. He'll address the nation from the Oval Office tonight. He says he's ordered a security review of the lead up to the shooting of the former president. He urged people not to make assumptions. I've directed the head of the Secret Service