President Donald Trump did the unthinkable Tuesday night during his State of the Union address: he inspired a phalanx of left-wing women members of Congress, wearing white in protest, to jump to their feet and applaud. Many female Democrats dressed in white, as they have for previous addresses by President Trump, in homage to the suffragettes — and in protest against a president whom they believe represents the antithesis of their aspirations. Some, including Rep. Alexandria Ocasio-Cortez (D-NY), frowned as Trump emphasized themes of compromise and national unity. But all — including her — rose in celebration as the...