Yet Bernie Sanders -- the frontrunner among declared Democratic candidates -- has also been accused of mistreating his aides, but those allegations don't seem to have gotten the same media attention. One former staffer told the Vermont newspaper Seven Days in 2015 that Sanders was "unbelievably abusive" and claimed "to have endured frequent verbal assaults." The paper reported that others who worked for Sanders also said that "the senator is prone to fits of anger." A spokesperson for Sanders responded to Seven Days and said that Sanders "had very positive relations with people who have worked with him.") And Sanders, in response to the article, told the Des Moines Register, "Yes, I do work hard. Yes, I do demand a lot of the people who work with me. Yes, some people have left who were not happy. But I would say that by and large in my Senate office, in my House office, on my campaigns, the vast majority of people who have worked with me considered that to be a very, very good experience..."