Last week, Mitt Romney hired Richard Grenell as his new foreign policy spokesman. Grenell was President Bush’s communications director at the United Nations for eight years, and has been a spokesman for a handful of prominent Republicans such as George Pataki and Dave Camp. Along with his qualifications, Grenell is also gay. When the campaign announced the hire, Grenell’s sexual orientation wasn’t noted in media coverage, nor, arguably, should it have been. He got in a bit of a tangle for scrubbing his Twitter profile to erase messages he wrote about Newt Gingrich and his wife, but that was about...