united states until our country's representatives can figure out what the hell is going on. >> reporter: and rallying crowds with his signature call to build a wall along the southern border. >> build a wall. we are going to build a wall. we are going to build a wall. >> reporter: trump was no less controversial when it came to his political rivals. >> i found the card. >> reporter: releasing senator lindsey graham's personal cell phone number. >> 202-228-0292. i don't know. give it a shot. >> i think women all over this country heard very clearly what mr. trump said. >> reporter: facing accusations of sexism for criticizing carly fiorina's appearance in a rolling stone interview. saying, look at that face, can you imagine that the face of our next president? those criticisms not stopping trump from calling hillary clinton out for taking a bathroom break during a democratic debate. >> sorry. >> where did she go? where did hillary go?