Harris on the rise, Biden on the outs

Current talk of the US elections is dominated by observations of an extremely crowded Democratic field, with more than 20 candidates vying for the party's nomination. Following the first debates, which saw 10 candidates face off at a time, we speak to Capri Cafaro, Executive in Residence at American University's School of Public Affairs, and former Ohio Senator, for her insight into what the debates may mean, in an age of social media.