the spotlight is on the gop s tough talking rock star tonight. new jersey governor chris christie. picking him for the keynote speech says a lot about the republican brand. but just what is the republican brand these days? joining me now is chris hayes, host of up with chris hayes on msnbc. he s author of the new book twilight of the elites. chris, thanks for your time tonight. good to be here. this convention comes after a very tough contentious primary season and here we are with chris christie. where is the gop brand today? the reason that chris christie is attractive to the gop establishment is he manages to fuse two things together which is a hard trick to pull off. as we are seeing in the era of todd akin and paul ryan and hr 3