 Drivers could see fireworks at the pump next weekend. AAA says the average for a gallon of regular is now $3.49 nationwide, but that could drop a few cents by the fourth, about a dime less than a year ago. And celebrations are happening today at Yellowstone National Park to mark the birth of a rare white buffalo. It was born earlier this month and considered spiritually significant for Native American tribes because the animal signals better times. This is CBS News.