election by more than 3 million votes and in addis, are you a legitimate president? so the question, who will pay for that wall that trump promised. his transition team is signaling it wants to pay for that wall through the u.s. congress, ultimately through taxpayer dollars, it's a move even trdra criticism from some republicans. >> we are going to build a wall, don't worry about it. and wait a minute. who's going to pay for the wall? >> reporter: it's the call and response that defined a winning campaign. >> who's going to pay for the wall? who's going to pay for the wall? [ crowd chants mexico ] >> reporter: despite clear cut promises like this -- >> we're going to build the wall, and mex mexico's going to for the wall, 100%, believe me. and that will be very easy. that will be very, very easy.