An 18-year-old Hopkins High School student was arrested and charged Friday with creating one of the variants of the "Blaster" computer worm that contributed to crippling attacks on thousands of unprotected home and business computers this month. Jeffrey Lee Parson, a senior at Hopkins High School, was arrested without incident by FBI and U.S. Secret Service agents in a raid at 7:20 a.m. at his family's townhouse, FBI Special Agent Paul McCabe said. Parson's arrest capped an investigation spanning more than two weeks. It started at Microsoft headquarters outside Seattle, led to San Diego, hop scotched to Texas and ended...