UNITED NATIONS (Reuters) - The six undecided members of the U.N. Security Council weighed delaying a deadline for Iraqi compliance to April 17, a month later than demanded in a U.S.-British-Spanish draft resolution, diplomats said on Monday. But Pakistan's U.N. ambassador, Munir Akram, said this was not yet a common position, with some of the six wanting a shorter and others seeking a longer extension. If the six were to agree on a compromise plan, this could interfere with U.S. hopes for a vote this week on a draft resolution that would give Baghdad until March 17 to fully cooperate...