For Maquisha Cosey, vice president of Thornton Fractional North High School's class of 2006, graduation day is not one she'll soon forget. And not for any of the sentimental reasons. It's the day that Cosey, who was listed on Friday's graduation program as the leader of the pledge to the flag, was arrested and charged with criminal trespass and disorderly conduct after trying to participate in the ceremony despite being denied entry for being late. "I know that this shouldn't have happened to me. It shouldn't happen to anyone," says the graduate. Instead of celebrating her big day, she spent...