The executive committee of the Palestine Liberation Organization approved Palestinian Authority Chairman Yasser Arafat's appointment of senior official Ahmed Qureia (Abu Ala) as his next prime minister, on Sunday evening. A senior Palestinian official said Qureia was studying the proposal. His response is expected in these next few days. Arafat's decision to appoint Palestinian Legislative Council Speaker Qurei as the next PA prime minister comes less than 48 hours after the resignation of Prime Minister Mahmoud Abbas, who on Sunday told reporters that he was determined not to backtrack. "I have submitted my resignation and it's final," Abbas declared. Sources...