Frank Bruni: Jared Kushner fails up. Again.

(Sebastian Scheiner | AP file photo) U.S. President Donald Trump's daughter Ivanka, left, and White House senior adviser Jared Kushner attends the opening ceremony of the new U.S. Embassy in Jerusalem, May 14, 2018.Jared Kushner just got a promotion. Another one. At least I think we can call it that, and it’s a deliciously perfect assignment. The pallid princeling is now responsible for speeding construction of the border wall. In other words, a make-believe fixer will oversee a fairy-tale fix.

Josh Dawsey and Nick Miroff of The Washington Post broke the news, and when I read it, I realized that I hadn’t heard much about Jared — or, for that matter, Ivanka — in a good long while. They’re…