Trump's (alleged) turnaround on kidnapping immigrant children

Joshn Marshall and TPM have been carfully covering the Trump Administration's policy and practices of kidnapping immigrant children and babies on the border.

Josh makes this critical point, "There are many legitimate immigration related policy questions. But controlling crime or safety or security is simply not one of them. It’s the foundational lie of the entire immigration debate." (my emphasis; Trump’s Foundational Immigration Lie TPM 06/20/2018)

And he warns against taking Trump's publicity move today at face value (Trump’s Ploy TPM 06/20/2018):

The President says he’s signing an executive order to end family separations. The actual aim seems to be to pick a fight with the courts and allow separations to continue while blaming judges. According to The New York Times, the President will sign an executive order allowing children to be detained indefinitely with their parents. The problem is that that violates a 1997 consent decree saying that you can’t detain/imprison children for more than 20 days (technically what’s currently happening isn’t detention). It straight up violates that order. So what will almost inevitably happen is that a court will step in, say you can’t do that and then Trump will announce that the judge is forcing him to keep separating families. [my emphasis; internal links not included]