text:  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. Think O'Reilly Auto Parts for all your car care needs. Get the parts and service you need fast from the professional parts people at O'Reilly Auto Parts. You can host the best backyard barbecue.