andrew spencer, 7 newew >> lynn: in the race for the roadhouse, republicans in nevada hours from caucuses. donald trump gaining steam, and not holding back on the attacks. diana diez has more. >> reporter: donald trump is hoping to had lock in another win in nevada. >> forget the word, caucus, just go out and vote, okay? >> while marco rubio is getting endorsemen. >> he's conservatives and electable. >> reporter: and it's time for as the alternative for trump before it's too late. >> if we nominate someone who half of the republican party hates, we'll be fighting against everyone other until november, we'll never win that way. >> reporter: but right now, donald trump's blows are hitting cruz. >>this guy is sick. >> reporter: the caucus state of nevada. >> it's las vegas, te little tricky. >> reporter: cruz was still trying to nix the narrative that his campaign plays dirty. >> this guy, cruz, lies more than any other human being that i've dealt with. unbelievable. >> every single day, something comes out of the cruz campaign that's untrue. >> yesterday cruz fired his campaign director. >> thth morning, i asked for rick tyler's resignation. >> that's after the