 He's reportedly growing increasingly bitter towards some he once considered close, including former President Obama. People close to Biden tell The Post that he assumes he rather that the leaks right now appearing in the media in recent days are being coordinated and that he believes former House Speaker Nancy Pelosi is the main instigator. Politico reporting that Pelosi is stressing the need for an open process to choose the party's next nominee if President Biden does decide to step aside.