LAST week was an exhausting one for 52-year-old Professor Yusril Ihza Mahendra. Twice in that week, he was summoned by the Attorney General’s Office (AGO) for questioning on the corruption case involving the Corporate Identity Administration System. The first session, on Tuesday, went on for about 12 hours. The former head of the Crescent Star Party (PBB) came with a party colleague, House of Representatives (DPR) member Ali Muchtar Ngabilan an