After a meeting with Hamid Karzai in Kabul, a group of American senators, including John McCain and Lindsay Graham, said they expect the agreement to be signed soon. They have also noted that such a failure would pose a threat to Afghanistan and the region. Karzai has so far delayed signing the accord with the United States. The Afghan president says he won\\\'t sign any agreement that allows continued raids on Afghan homes. Without a signed deal, all U-S and NATO forces would have to withdraw from Afghanistan. The U-S-led foreign forces are blamed for many civilian deaths in the country. The senators have also warned Karzai about the release of 88 Bagram prisoners in north Kabul. Afghanistan says it\\\'s found insufficient evidence to continue their detention. But, Washington says the prisoners pose a serious security threa Show Less >>