 McCain's view changed after the 1995 Srebrenica Massacre, and he voted in favor of the resolution authorizing the 1995 NATO bombing in Bosnia and Herzegovina against the Bosnian Serb Army.McCain attacked what he saw as pork barrel spending within Congress, believing that the practice did not contribute to the greater national interest.Towards this end he was instrumental in pushing through approval of the Line Item Veto Act of 1996, which gave the president the power to veto individual expenditures.