Enrique Pena Nieto

Trump's Mexican hayride

Trump's Mexican hayride

Donald Trump on Wednesday talked out of both sides of his mouth on immigration -- out of one side in Mexico City and the other in Phoenix.

He jetted over the border to make nice with Mexican President Enrique Pena Nieto. Then he jetted back home and resumed his scheme for a "deportation task force" to oust millions of undocumented immigrants, predominantly Mexicans.

Mr. Trump seized on his Mexican host's rather surprising invitation, no doubt in the hope that the visit might put some luster on his transparently nonexistent foreign policy, as well as soften his reputation for personal insult.

The Republican presidential nominee temporarily shelved his insistence...