I would say that these contacts are very preliminary . '' NEW : President Karzai says Pakistan , Pakistan should support Taliban talks . Hamid Karzai says the United States is ready to take over security . He defends his criticisms of Taliban operations .
NEW : President Karzai says Pakistan , Pakistan should support Taliban talks . Hamid Karzai says the United States is ready to take over security . He defends his criticisms of Taliban operations .