really patient until mid january, he couldn't wait anymore. the cruz people were seeing the writing on the wall and that's when he went nuclear. >> he is one of many that didn't take him seriously. >> more ahead on the campaign including what some call nothing but stunning. and the bare knuckle tactics donald used. here's what sara murray had to say. >> reporter: funny highlight has come with a low light. >> wow, look at this crowd. >> there was a moment in south carolina where he would call me out in front of a crowd of thousands of people, by name. >> and then they have some woman, sara murray, whoever the hell is that is. >> and those people would jeer at me and my dad would make me promise i wouldn't walk to my call alone. >> this is sara murray. mr. trump made a speech tonight.