He's riding them like a stick horse.....Could it be that the Donald offered it up knowing full well the dims would reject it? (which they promptly did)
He was in no danger of ditching his campaign promise. He nixed DACA but gave them 6 months to come up with something or they had to go home. And now that 6 months is almost over. Now they are freaking out and drawing lines in the sand. He's playing them... And it's wonderful to watch!