1.   Though Pataki and the leaders reached agreement on the rent issue early Monday morning, it took them four days to hammer out the thorny details of a bill.

2.   The demonstrators dispersed after working out some thorny details of a separate deal that the authorities signed with their union Thursday.

3.   But they left the thorny details to be worked out in the steering committee.

4.   But they left the thorny details, notably Israeli demands for changes in the Hebron pullout plan, to be worked out in the steering committee.