You may not have been aware of this, but beards have been banned in the Coast Guard ever since 1986, when Admiral Paul Yost said the Coast Guard should “meet the same standards of smartness” as the other military branches. (The Navy had banned beards the year before.) But that was then and this is now, and Coast Guard Lieutenant Commander Joshua Wine writes in the U.S. Naval Institute Blog that the ban has outlived its usefulness. The Coast Guard, he says, should revert to its policy permitting beards, a policy that started in 1790. Lt. Cmdr. Wine looks at…