Nestle SA Chief Executive Officer Paul Bulcke took the witness stand Wednesday in a harassment lawsuit brought by a former employee who alleges the world’s largest foodmaker ignored her warnings about product safety…She said she was subject to “psychological harassment” by her superiors for years…In court, Bulcke rejected Motarjemi’s argument…“I reject this notion that there is a culture of fear at Nestle,” Bulcke told the judge. “Above all, the respect of the person is what counts at Nestle.”…Jean-Marc Duvoisin, the former head of human resources and now chief of its Nespresso business…said he never witnessed any harassment of Motarjemi and that although there may been “irritations” between her and her boss, the relationship was professional…