WASHINGTON — The Bush administration is facing growing difficulties in filling a rising number of high-level vacancies following a recent spate of senior departures. In the last 10 days alone Mr Bush has lost four senior officials and more resignations are expected to follow. ‘I wouldn’t describe this as disintegration,’ said one senior official. ‘But there are worrying large gaps opening up and it is very hard to recruit high-quality people from outside.’ Recent departures include J.D. Crouch, the deputy head of the national security council, who wants to spend more time with his family, and Randall Tobias, the head of USAID, who resigned after it was revealed that he used a call girl agency for ‘legal’ erotic services. Mr Bush has also lost Dina Habib Powell, the administration’s most senior Arab-American, who is leaving the State Department to join the private sector, and Timothy Adams, the number three at the Treasury department. Officials say that the flurry of departures is not unusual during the latter part of a second term and deny there are common themes driving their exits. But they come at a time when Mr Bush is having difficulty filling the new position of […]