Democratic Rep. Eric Swalwell, one of the leading candidates for California governor, has faced increasing pressure to drop out of the race following a report by the San Francisco Chronicle that he sexually assaulted a former female staffer. Several other Democratic candidates, including Superintendent of Public Instruction Tony Thurmond, San Jose Mayor Matt Mahan and former Controller Betty Yee, called the allegations "sickening" and "disturbing" The report comes after rumors of inappropriate behavior with staff for years. At least one labor union and one politician who was backing him quickly suspended their support following the allegations. At the same time, four senior campaign staffers, including a top consultant who helped him court labor support, abruptly resigned before the news report.