Aaron Blake writes: It’s often been said that President Trump is a man of no true political convictions (apart from “winning”). And as The Washington Post’s Philip Bump notes today, it often seems that Trump takes every position on an issue in hopes of never being fully pinned down — or blamed.

But Trump’s malleability is rarely as striking as it has been on the Deferred Action for Childhood Arrivals (DACA) program. His decision Tuesday to phase out the Obama-era executive action exempting the children of undocumented immigrants from deportation was pitched in all kinds of hugely inconsistent ways. Some of the justifications for the decision ran counter to Trump’s own past statements; others were contradicted by Trump himself within a matter of hours.

The biggest contradiction came in a tweet late Tuesday, in which Trump suggested — after a day of stating that Obama’s program was illegal and that Congress was required to act on it — that he might be able to revisit the issue himself. [Continue reading…]