During his inauguration address on Friday, Donald Trump released an image that had nothing to do with crowd size or marchers: his official White House portrait. The picture, which features prominently in the White House website’s biography of Trump, depicts the President in front of what appears to be a green-screen image of the White House. In his characteristic red tie, Trump leans forward, no smile, with an aggressive — arguably menacing — stare. The image struck us as unusual, so we reached out to some professional photographers and presidential scholars to help us unpack why. The photo is odd,...