because he had an airhead racist for a running mate and a bunch of advisers who epitomized the corruption and incompetence of the Bush era. He also favored the Forever-War. That didn't even wash among Republicans all that much. And McCain wouldn't have increased the size of the US Military which cannot be everywhere in the world in full strength all at the same time. With McCain's plan of a 100 year occupation of Iraq, nothing would or could have been done by the US with Iran except showing them how big our carriers are. Testosterone diplomacy doesn't always work, especially when the opponent knows you need Viagra.
Law expanding definition of terrorist activity passes first Knesset reading (Haaretz)
from the article: 'Europe will work together to implement Iran sanctions'