SACRAMENTO -- Facing widespread opposition to his special election, Gov. Arnold Schwarzenegger said Friday that if voters reject a proposed spending restraint on the November ballot, he might be forced to raise taxes. Schwarzenegger previewed a campaign theme in a morning radio interview, predicting that new taxes might be the only alternative if voters reject Proposition 76, the "Live Within Our Means" act. Asked on Sacramento station KTKZ-1380 AM what he might do to avert future budget deficits if the spending control is defeated, Schwarzenegger said: "Then we have to look at raising taxes, because this is the only option...