NORFOLK, Va (WAVY.com)--It was supposed to be a news conference by supporters for Democratic Senator Barack Obama. They wanted to blast Republican Presidential Candidate John McCain's plan to give a brief 'gas tax' holiday. When State Senator Louise Lucas showed up in a gas guzzling Hummer to blast McCain for his stand on the oil crisis, the story changed. Lucas said, "While Virginia's families are confronting the reality of gas, the oil companies continue to record record profits." That, from an elected official who showed up in a vehicle that gets some of the lowest gas mileage per gallon. WAVY.com...