that spirit that lives on in every bottle of woodbridge by robert mondavi. from one for all. >> trevor: welcome back to the daily show. amateur reveurers are the backbone of america's consumer culture and for eating out the go to site is yelp. but how exactly do yelp reviews work and is it completely unbiased, desi lyduc file this report. >> yelp, the most popular crowd source refew forum online and vital am chsing which waxes place-- can we trution everything we read on yelp. one extremely italian restaurant owner finds yelp's business practices so defious he is protesting. >> how are you? >> muah, muah, muah, muah. >> my name is sheff, i am chef owner. and i give 50% off a pizza if you give me a one star on yelp. >> why would you want a one star review, sorry let me ask you in terms you can understand, what what thea matter a you. >> if you want to have iraitying on yelp you need to pay for advertise, and on this site you don't pay advertise. so what they do, they manipulate the ratings in order for you to give up and pay for advertising. >> according to davidia when he ref

that spirit that lives on in every bottle of woodbridge by robert mondavi.rom one for all. ( cheers and applause ) >> trevor: welcome back to "the daily show." it may be news to you that there is also a republican primary happening right now. and the reason you may not know about it is because maybe the g.o.p. doesn't want you to. you see, the party has already canceled any sort of primary challenge in five states. the question is what has got them so scared. roy wood jr. investigates. >> with all the focus on the democratic primary, people forget that there's also republicans lining up to snatch the nomination from trump. but who the hell are these guys? let's just say one of them is running on a very different party line. >> donald trump is a raging racist. >> what kind of republican candidate calls trump a racist out loud? >> i'm a fiscally conservative, socially liberal republican. >> i don't even know what that means. >> all about l.g.b.t.q. and all about medicinal marijuana, you know, 20 years before anybody else was. >> let me get this straight-- you