OPINION: Donald Trump’s high-risk, low-reward trip to Mexico is sort of baffling

It is barely worth pointing out that Donald Trump's surprise visit to Mexico on Wednesday won't do President Enrique Peña Nieto much good. Peña Nieto is deeply unpopular in his home country, with a quarterly survey from the newspaper Reforma putting his favorability at 23 percent — a figure so low that it makes Trump himself, at 35 percent, seems positively embraced.