 From Little Rock Public Radio, I'm Nathan Treese. It's a brand new political landscape this week. On Sunday, President Joe Biden announced he is ending his campaign for a second term as president and has now thrown his support behind Vice President Kamala Harris. In an interview with Talk Business and Politics, John Brummett, political columnist with the Arkansas Democrat Gazette, said the challenge for Democrats now is promoting a new nominee. Does Biden's endorsement of Kamala Harris mean that she will