Dissecting a moment: Booker piles on Biden

Cory Booker, in search of his first bona fide “moment” as he tries to work his way up in the presidential race, came ready to lunge into his critique of Joe Biden’s new criminal justice proposal as too little, too late to fix the problem of mass incarceration, after Biden’s authorship of punitive crime legislation in the ‘90s. POLITICO national political reporter Chris Cadelago joins host Scott Bland to analyze an important moment from round two of the second Democratic debate on Tuesday night.