It is considered an honour to be invited to visit your alma mater to speak to idealistic students about your career choice. Especially for those distinguished graduates of Karachi’s most elite Karachi Grammar School. Not so in the case of Dawn.com’s editor Jahanzaib Haque’ who spent the entire ceremony making fun of the other invited guests and the school itself.He has since deleted his tweets after the organisers were forced to complain. But The Express Tribune managed to get a copy.