Palestinian Authority President Mahmoud Abbas has told his Fatah movement he wants a more specific US commitment on the borders of a future Palestinian state before agreeing to direct talks with Israel. Abbas says he received assurances from US President Barack Obama, but that they weren't clear enough. He says he expects enormous pressure, but that he will not go "blindly" into negotiations. Abbas spoke late Tuesday at a closed-door meeting with Fatah leaders. His comments were published in a Palestinian daily and confirmed by his adviser Sabri Saidam. The PA president is under pressure from the US administration to...