An expert has revealed what chaos could ensue if President Joe Biden, who’s facing mounting calls to step aside, does just that. Speaking with Erin Burnett’s “OutFront” on Friday, Josh Putnam, a consultant who helps campaigns navigate delegate rules, said should he step aside, the key factor will be Biden’s endorsement. “If Biden is to step aside and endorse the vice president then that doesn’t — it carries weight with the delegates, right? As your previous guest kind of mentioned, but, it’s not a binding transfer of the delegates over to her.” Want more breaking political news? Click for the …