Christian Horner’s accuser has been revealed to be a blonde-haired, blue-eyed university graduate who climbed the ranks in motorsports before working with the embattled Red Bull F1 boss, RadarOnline.com has learned as fresh allegations were published in a 19-page investigation. The woman was identified in a story published by BusinessF1 Magazine on Monday, which claims that Horner, Red Bull’s team principal, “developed a superiority complex” last year. “There were incidents where Horner sent her text messages during Grand Prix weekends with a request to come to his room,” said one insider. The…