I doubt this. Nothing was seen about it in US. He may have met with the organization but to submit to Israeli superiority??? And face it Dershowitz is hardly an "honest broker" He is considered pro-"Erratz Israe"l in the US and we rarely listen to a thing he says. And what about a de-militarized Palestine as Netanyahu reiterated at the UN. You actually think Palestinians are going to lay down the little guns in surrender while Israel keeps it tanks and bombers and nuclear bombs? You guys are fooling yourselves.
Cease-fire breaks down in three areas in Syria, monitor says (Reuters)
from the article: Abbas adopts 'Dershowitz Formula' for resuming talks with Israel