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If we accept the plea by Gerry McKenna, Ulster University's former vice-chancellor, that accusations of "bullying and impairment through alcohol could have been misunderstandings of his heart and ulcer problems" ("'I was no bully', says McKenna", July 8), what does that say about his judgment that he continued working in sensitive post rather than taking sick leave (until forced to do so)? How can he act as an effective ambassador for Ulster in his role as president? Small wonder that questions are being asked about the university's use of public funds in this case.

Julian Newman
Edinburgh