Erekat has not blundered into putting his foot into his mouth as you assume. He was stating the well-known position of all the Arab states, as he had to do in response to Olmert's demand. Olmert knows that Abbas and the Arab League will recognise Israeli sovereignty within the pre-1967 borders if negotiations succeed. He knows that they will never recognise 'Israel as a Jewish state'. Not even the Arab Israeli leaders will do that now. Olmert's demand has no purpose other than to derail the post-Annapolis negotiations.
Clashes between IDF and protesters in Bethlehem and East Jerusalem (Reuters)
from the article: It's better to stay home