The hostage-taking tactic emerged in a major way during the first intense outbreak of insurgency in April.
He estimated that during the most intense days of the insurgency in early April, about 25percentt of Iraqi workers hired for his office's projects actually arrived for work.
But she will also have to answer concerns that Mr. Obama's intense focus on the insurgency in Pakistan, as well as the war in Afghanistan, will get in the way of the American-Indian relationship.
Much of the Pushtun belt in the south and east, where the insurgency is most intense, is deemed too dangerous for humanitarian workers.
Many are from the heavily Pashtun south, where the insurgency is most intense and Mr. Karzai maintains his main political base.
The disqualifications not only threatened to reduce Mr. Karzai's allies in Parliament, but also raised concerns that they would disenfranchise Pashtuns, the nation's largest ethnic group, in parts of the country where the insurgency was most intense.
With its chilling echoes of a school in Beslan, Russia, where 186 children were massacred in 2004, the terrorist attack in Peshawar traumatized a scarred city that has suffered intense Taliban violence since the insurgency erupted seven years ago.
But Mr. Negroponte was also known to be eager to leave Baghdad, where he had served as a round-the-clock ambassador through an insurgency and the intense preparation for elections at the end of last month.
Despite the intense fight in Falluja, the insurgency has gathered pace across Iraq, particularly in the northern city of Mosul, once a model of peace and calm, and in Baghdad, where the deputy police chief was assassinated yesterday.
