With the rise of the 24-hour news cycle, media consumers can now plug into a variety of news mediums to get information. Melissa Harris-Perry dives into one underrated news source - the radio - and discusses with Brian Lehrer of WNYC, Allison Kilkenny of “Citizen Radio,” and Esther Armah of WBAI, how radio talk shows continue to dominate in hyper-local news coverage.March 17, 2012