Anaheim Mayor Ashleigh Aitken is pushing back against accusations that she called her chief of staff a “dirty Mexican,” issuing her first direct denial as the controversy threatens to engulf City Hall. Aitken released the statement Thursday after her chief of staff, Berenice Ballinas, made the damning allegations that also claimed the mayor questioned the staffer’s sexuality during a trip to Disneyland. “These allegations are extremely serious, and they deserve to be investigated. I did not use the racial slur attributed to me, and I have always been a champion of the LGBTQ community,” Aitken, a Democrat, said in her...