Arrest of the mayor of Venezuela's largest city on charges of treason should, but probably will not, end the dictatorial reign of Chavista el Presidente Maduro.My wife, Jeanie, and I spent periods totaling more than two years, and ranging in length from six months to a few days, in Venezuela between 1997 and 2002. During those periods, we saw much of Venezuela, from the cities to the rural mountain areas. It was a beautiful and comparatively prosperous country then. Food, most of it locally grown or raised, was plentiful, good and inexpensive. We both received excellent but inexpensive medical care. I felt safer in...