Is It Wise To Build A Wall?

Berlin Wall and view of “No-man’s Land” 1985

The Berlin Wall existed from 1961 to 1989. “During this period, around 5,000 people attempted to escape over the Wall, with an estimated death toll ranging from 136 to more than 200 in and around Berlin. In practice, the Wall served to prevent the massive emigration and defection that had marked East Germany and the communist Eastern Bloc during the post-World War II period”- excerpts from Wikipedia.

I personally saw the Berlin Wall twice-in 1979 a...