Well, Abbas' pen seems to be mightier than his sword.
Signing some agreements managed to stop the negotiations which even the PA terror didn't accomplish.
Abbas signs international conventions, jeopardizing peace moves
RAMALLAH, West Bank (Reuters) - Palestinian President Mahmoud Abbas signed more than a dozen international conventions on Tuesday citing anger at Israel's delay of a prisoner release, in a move [that] jeopardized U.S. efforts to salvage fragile peace talks.
His unexpected decision came just a day before U.S. Secretary of State John Kerry had been due to travel to Ramallah for talks aimed at finalizing a complex, three-way deal that would enable the talks to continue into 2015.
However, a U.S. official said that [the] trip would not now go ahead.