Here in the United States, hearings began Tuesday in what Democrats say will be a lengthy probe into corruption and mismanagement by the U.S. occupation authority in Iraq. Former occupation head Paul Bremer was questioned on nearly $9 billion in missing Iraqi oil revenue. The funds were handed to Iraqis and U.S. contractors in cash — often in packages of $100 bills. House Oversight and Government Reform Chair Henry Waxman says the Bush administration has blocked the appearance of the new reconstruction coordinator in Iraq — retired Ambassador Timothy Carney.