litigation over the adequacy of that explanation serve? today, justice of the mayor also questioned why agencies like the department of homeland security should use their limited resources to target so-called "dreamers" at all? who are lawfully employed, who pose no threat to our security, to try to get rid of those people. solicitor general noel francisco arguing on behalf of the trump administration said this is not about deciding not to prosecute, but allowing daca to stay in place amounts to actively helping people to break existing u.s. law and can force benefits on them. >> he'll work with democrats to find a solution for these folks. daca has been on the table for prior immigration negotiations and that went nowhere. with a decision expected in early 2020, it's hard to imagine getting competence of immigration reform in a present election year. tonight, the critical final press towards a public release