Oil falls as Iran affirms commitment to nuclear treaty

By Mohi Narayan NEW DELHI (Reuters) -Oil futures fell on Friday after Iran reaffirmed its commitment to nuclear non-proliferation and amid expectations that major producers are set to agree to raise their output this weekend. Brent crude futures were down 35 cents, or 0.51%, to $68.45 a barrel by 0730 GMT, while U.S. West Texas Intermediate crude fell 25 cents, or 0.37%, to $66.75. Trade was