WGBH News hosts the first 2020 US Senate Primary Debate between US Senator Edward Markey and Democratic challenger US Representative Joseph Kennedy III. The hour-long debate will be moderated by Boston Public Radio hosts Jim Braude and Margery Eagan in front of a fully-booked live studio audience at WGBH’s Brighton Studio. Come to the Boston Public Library for the watch party or catch the debate live at 7pm on 89.7 WGBH, WGBH 2 or WGBHNews.org.