A federal judge dismissed the defamation charges in a lawsuit filed by Harvard Business School professor Francesca Gino against the University, dealing a major blow to the embattled professor's efforts to rehabilitate her reputation and win millions from the school.In a Wednesday ruling, U.S. District Court Judge Myong J. Joun partially granted Harvard's motion to dismiss the lawsuit, writing that Gino had failed to plausibly allege that the University defamed her, violated her privacy, or unlawfully interfered with her relationships with publishers.Still, Joun allowed one key plank of the lawsuit to proceed: Gino's claim that Harvard breached its contract with...