The key issue of debate is the makeup of the Palestinian delegation.
He was a member of the Palestinian delegation on final status negotiations in 1999.
If not, the Palestinian delegation at the peace talks in Washington will sign.
At the same time, the Palestinian delegation will be half the size of that of the previous year.
They predict that the Palestinian delegation will also go.
American officials recognize that the Palestinian delegation has no authority or legitimacy to engage in real give and take.
"There's a Palestinian delegation with which we are negotiating," he said.
The question is who has the right to form the Palestinian delegation.
Similar statements were made by advisers to the Palestinian delegation to the peace talks.
"We have a Palestinian delegation in town I know nothing about?"