Egypt's former PM Shafik poses during an interview in Abu DhabiBy means of Tom Perry and Yasmine Saleh CAIRO (Reuters) – Hosni Mubarak’s final top minister, Ahmed Shafik, will soon be free to come from self-imposed exile and perhaps make a political comeback after Egyptian courts on Thursday acquitted him in a single corruption case and shelved some other. Shafik left Egypt remaining yr after being defeated within the presidential election by way of Mohamed Mursi, the Muslim Brotherhood politician on account that overthrown by the military and now on trial for conspiracy and inciting violence whereas in place of business. U.S. …