Donald Trump is obsessing over remodeling the White House like no other president. • He has gilded the Oval Office, replaced trees, paved the Rose Garden lawn, hung art and mirrors all over, erected flagpoles and begun work on a $250 million ballroom. • He's not done: Trump has had models and dioramas built for other projects he's considering, and even directed how and where new marble-tiled floors are laid.

Why it matters: Long after Trump has exited the presidency, his imprint will be on the executive mansion in an unprecedented scope and scale — even if a successor removes the Oval Office gold leaf. • He's spent as many as 20 hours on some projects, aides say, engaging in impromptu design sessions between negotiating peace deals and talks over the government shutdown. • After s

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