<p><span class="deck">Those who believe that America’s power is on the wane look to the example of Britain’s shockingly quick collapse. But the similarities may be less alarming than they seem.</span></p>
<p><span class="deck">Foreign trade, import and export alike, has been indispensable in building America from the very start, and many of our worst economic troubles have arisen when that trade wasn’t free enough. </span></p>