The mission reverses a policy, set when President Bush took office, against having the C.I.A. chief negotiate security arrangements in the region.
The package also paves the way for the European Union to negotiate security arrangements with third countries that would enable international passengers transiting through an E.U. airport to avoid a second screening before boarding their connecting flight.
The city's disputed status led to carefully negotiated security arrangements.
Karzai's refusal to sign the painstakingly negotiated security agreement and his increasingly vituperative criticism of U.S. behavior have deeply angered Washington.
They negotiated security checkpoints, and by the time they arrived, baby Jian had been born.
Netanyahu cleverly insisted on negotiating national security matters first to prevent negotiations on borders, which would have facilitated the talks over national security and the future of much of the settlements.
Four years ago, Mr. Vietor said, Mr. Obama and his colleagues believed Mr. Bush was negotiating a "security guarantee," committing to a formal alliance much like the NATO treaty, instead of a "security arrangement," in which the United States would not be bound to respond to attacks on the other country.
Mr. Pistole has said his decision to allow union representation would not compromise security because it prohibits negotiating on security-related matters like deployment, job qualifications, testing or discipline and does not change current regulations that already ban strikes or work slowdowns.
The United States, Mrs. Clinton said, opposed negotiating new security treaties, saying that would be time-consuming and cumbersome.
The United States and Iraqi governments are negotiating a security agreement that could allow long-term American military bases.
