I RECENTLY spent a cheerful few days in Los Angeles selling my brandnew keep, “Capitalism in America: A History” (co-written with Alan Greenspan). I used to be using indisposed Hollywood Side road in a taxi considering that every one was once proper with the sector—the solar was once glorious, the family had been pretty and, above all, I wasn’t on closing date to write down one thing about Brexit—once I stuck perceptible of a gigantic pink billboard bearing a unmarried commitment in plethora letters: BREXIT.