border wall. let's bring in north dakota senator john hoeven. what do you think? >> we need to build a border barrier and we need to provide you with the funding to do that. it's multiple steps. >> to your pint, the president tweeting out that work has begun on building the border wall. it seems the president is moving on from fights in congress. but the argument is congress gave the president the power to do this without congress's support. this happened in various laws, the 1976 emergency act gave him the power to decide what is a national emergency. >> right. and the 1982 military construction authorization act. congress provided that information. there has been 58 presidential declarations issued.