At some point during the next year, Gov. Nathan Deal may have to come up with the correct answer to a most difficult question: Is spending tax money on a new stadium for Atlanta Falcons owner Arthur Blank so important that it justifies throwing away the job of governor? Blank thinks it would be a great idea for the state to spend $300 million from ahotel-motel tax to help pay for a billion-dollar stadium that would replace the Georgia Dome.