Moments away: CNN Democratic debate, round two; Will Joe Biden bounce back?; Michigan lieutenant governor speaks in debate hall

Moments away: CNN Democratic debate, round two; Candidates arrive at debate hall; Will Joe Biden bounce back?; Service Employees International Union president speaks on stage; Michigan lieutenant governor speaks in debate hall; Michigan Democratic Party chair speaks on debate stage; Democratic National Committee chair speaks on debate stageTo learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices