Why Nancy Pelosi is on a final mission to oust Joe Biden

When Nancy Pelosi called Joe Biden to warn him about the bad polls that indicated he would not be able to win the next election against Donald Trump, the president insisted he had data that said otherwise.

The 84-year-old former chairwoman did something few others would have dared: She demanded to speak to the advisers who had told him this and suggested that they were not telling the president the truth.

"Put Donilon on the phone," she said, referring to Biden's longtime adviser and strategist Mike Donilon. "Show me the polls."

To openly challenge the president and imply that his ...