11.   Perry has met with members of Congress, and on Thursday gave a classified briefing to members of the Senate.

12.   Separately, sources in the intelligence community said that US officials have delivered classified briefings in which four hijackers are identified as having attended the Afghanistan camps.

13.   Sen. Jesse Helms, the conservative chairman of the Foreign Relations Committee, was thinking out loud Wednesday about the countless classified closed-door Pentagon briefings he had received.

14.   That concern was heightened in a classified briefing that lawmakers were given Thursday on the House floor by a special panel headed by former Defense Secretary Donald Rumsfeld.

15.   The deputy director of central intelligence, Gen. John Gordonof of the Air Force, gave a classified briefing to the Senate Intelligence Committee on similar issues.

16.   The hearing was beginning to take on a ritualistic air when the deputy director, Hill, a veteran of decades of classified briefings, took over.

17.   The president was furious that information from classified briefings on Capitol Hill ended up in news reports.

18.   The president has been so passionate that he risked a collision with Congress over who on Capitol Hill would receive classified briefings.

19.   The White House gives only eight members of Congress intelligence briefings, and members of both parties complain that other classified briefings are inadequate.

20.   They said no senator should leave a classified briefing and repeat anything said.