victorious candidate. thanks to each of you for kicking off this special. we have, as promised, a lot more. dnc chair will talk to us about this debate. i may raise some criticism as well. al sharpton is here to talk about what he learned from his interview, including this one that is making waves today. we'll break down the less sons of those moments that can define a candidate for years from past primary debates. some really fun archives if you are into that thing. and malcolm gladwell on how voters process choice overload. plus a few surprises from the greats. >> stand up to the mayor, whoever the mayor is. >> this is an exciting time to be in our business. >> isn't it, though? you're watching special coverage of the road to miami, the first presidential debate tonight on msnbc.