National ​security adviser HR McMaster used a 1972 photo of Afghan women wearing miniskirts to help convince President Trump to stay the course in Afghanistan, according to a report on Tuesday. ​McMaster showed the president a black-and-white photograph of three women walking down a Kabul street in miniskirts to ​convince him that Western culture had once thrived in Afghanistan and could again, the Washington Post reported. The photo was among the arguments the president’s staff used to make the case that he should not pull troops from Afghanistan – the site of America’s longest war, the newspaper said. In a...