WASHINGTON AND OKLAHOMA CITY, MARCH 18, 2002 (CBS News) - Lindsay Earls wanted to offer her voice and musical talent to Tecumseh High School's choir and its marching band. But first, she had to offer a urine sample. In 1998, her school district asked students who engaged in extracurricular activities from seventh through 12th grades to consent to drug testing. "It was sort of sprung on us," said Earls, now a freshman at Dartmouth College. "I felt strongly about it. That is none of their business." Her lawsuit before the U.S. Supreme Court on Tuesday could help decide whether school...