they also must have no felony convictions. >> a study estimates there are nearly 800,000 participants in daca. losing them could cost employers $2 billion. the u.s. gdp might take a hit of $280 billion over the course of ten years. steven e rchltdlinger joins us from london. if the elimination of daca is going to cost employers $2 billion and if gdp could lose $280 billion, why get rid of it? what is driving this? >> well -- the administration to show it is tough on migrants. trump still talks about building the wall. they're building prototypes of the wall. its not clear who's going to pay for it or why. they're talking about attaching funding to it of raising the