What makes a great offensive line?

Former Notre Dame offensive lineman Aaron Taylor, now an analyst with CBS Sports, joins AP's Ralph Russo to talk about what teams are getting the best play out of their O-lines this season. What are the attributes of a good offensive line and why are the best ones greater than the sum of their parts? Taylor also talks about Notre Dame and whether the Irish can challenge for a playoff spot, LSU's progress -- and whether anybody is capable of taking down Alabama.