President Donald Trump on Saturday was photographed wearing a mask during a visit to the Walter Reed National Military Medical Center, after months of refusing to don the medical expert-recommended face coverings meant to help slow the spread of the coronavirus. "I love masks in the appropriate locations," Trump said, speaking to reporters at the White House before his visit. Trump's usual reluctance to cover his mouth and nose in public has been a point of controversy during the nation's coronavirus crisis, especially as cases of COVID-19 continue to spike — particularly in Republican-led states. Before taking off for Walter...