Biden's term ends Monday, when he'll be replaced by Donald Trump, a man he has called an existential threat to the nation. Here's a look at what was likely the last major speech of a political career spanning more than five decades: The outgoing president used the opportunity to deliver a series of warnings to the American people,

Biden's remarks come less than a week before he prepares to cede power to a man he described as an existential threat to the country's democratic institutions