mexico city way mexico would fund donald trump terrible plan build wall along border unite state republican front-runner win u.s. presidential election mexican finance minister say trump new york billionaire developer former reality television star spark outrage mexico vow force latin america second large economy pay wall along southern u.s. border stem flow illegal immigration drug televise interview late wednesday finance minister luis videgaray categorically reject proposal circumstance mexico pay wall mr. trump propose say build wall mexico unite state terrible idea idea base ignorance foundation reality north american integration trump accuse mexico send rapists drug runners across u.s. border vow increase fee mexican visa border cross card part broad plan force mexico pay wall former conservative mexican presidents felipe calderon vicente fox compare trump adolf hitler fear trump presidency help stoke spike number immigrants try enter unite state report alexandra alper edit simon gardner bill trott article fund part sap independently create reuters editorial staff sap editorial involvement creation production mexico say wo n't pay trump 's 'terrible border wall