AP Photo/Andrew Harnik President Donald Trump walks to the Oval Office after a news conference A s Trump stokes tensions around the world, he’s adding fuel to the fire by demanding even more Pentagon spending. It’s a dangerous military buildup intended to underwrite endless wars and enrich defense contractors, while draining money from investment in the American people. President Dwight D. Eisenhower once noted, “Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed." Eisenhower was a Republican and a former general who helped win World War II for the allies, yet he understood America’s true priorities. But Washington—and especially Trump—have lost sight of these basic tradeoffs. Since 2001, the Pentagon budget has soared from $456 billion—in today’s dollars—to $700 billion, including the costs of the wars in Iraq and Afghanistan and other national security...