THE sight of columns of tanks rolling down a boulevard, accompanied by troops goose-stepping in lockstep, was a staple in former Eastern bloc states, as the rulers sought to show off their military might through such parades. But it seems that such displays of martial pageantry have caught the fancy of the current occupant of the White House too. On Saturday, Donald Trump — much in the mould of communist strongmen of yore — watched smugly as the US military held a parade in Washington, D.C. to........

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