The lion said to the turtle, "Come out of your shell, and join the party!" The turtle said to the lion, "OK, Leo, after you have had yourself declawed and defanged."
Defense mechanisms, both physical and psychological, serve a good purpose even as they limit relations with others. But too much armor, psychic and otherwise, will stunt your life. Too little may end it.
Among a body politic's defense mechanisms are secure borders and a wise immigration policy.
The USA at present has neither. You know what to do.
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