Name: Scott Brown, Elizabeth Warren participate in first debate
Uploaded: Fri Sep 21 2012 00:00:00 GMT+0000 (UTC)
Description: Top Talkers: The first of four televised debates between incumbent GOP Mass. Sen. Scott Brown and his Democratic challenger Elizabeth Warren took place on Thursday evening. Polls remain tight in the state, some with Warren in the lead and others with Brown leading. The Morning Joe panel discusses.

Sept. 21, 2012