Both Melania Trump and Michelle Obama had modest upbringings: one is White, born in Yugoslavia. The other is Black, raised on the South Side of Chicago. When Melania married Donald Trump in 2005, he was already a real estate magnate. When Michelle married Barack Obama in 1992, he had just become a law school professor. Both Trump and Obama went on to become president of the United States, and both women who hail from different walks of life, found themselves thrust in the job of first lady. So who has worn the FLOTUS title best? I submit, Michelle, 53. Not...