Why Trump’s proposed gilded arch is so tall

For months, President Donald Trump has shown off various prototypes of an arch monument he wants to build in Washington, D.C., and finally he’s landed on a concept: an extra-tall “Triumphal Arch” that he hopes will soon rise just outside Arlington National Cemetery overlooking the National Mall. Nearly a quarter of the arch’s 250-foot height is thanks to a gilded statue on top. The Trump administration submitted renderings for the massive arch to the president’s handpicked Commiss...