Guardian: [Washington] just endured its hottest June since records began in 1872, according to the National Oceanic and Atmospheric Administration. So did Miami. Atlanta suffered its second-hottest June, and Dallas had its third hottest… …Yet when United States senators and their aides file into work on Wednesday, on yet another 90-degree day, they may be on the verge of deciding to do approximately nothing about global warming. The needed 60 votes don’t seem to be there, at least not at …