Complex sentence: On September 4, a new set of directives called for increasing pressure against the Taliban until they either ejected al-Qaeda or faced a serious threat to their continued power, but no decision on using this capability had reached President Bush by September 11.
Split into simpler sentences: On September 4, a new set of directives called for increasing pressure against the Taliban until they either ejected al-Qaeda or faced a serious threat to their continued power. No decision on using this capability had reached President Bush by September 11.