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From Jericho to Mexico, walls have a checkered history

Jan 10, 2019 - The Washington Post

Most often, they end up being easy answers to complex problems

Donald Trump, a 21st-century leader who does business around the world, owned his own jet and governs by tweet, has staked his presidency on a wall, that most medieval of civic symbols.

For the past few decades, as half a dozen presidents have struggled with how to manage the flow of migrants from south of the border, conservatives and liberals alike have often rejected a wall as an outdated tactic, a blunt instrument tha...