Hey, Magneto! Do me a solid and cure my migraine. An experimental procedure involving magnetic pulses fired into the brain and headache-addled rats -- the combo goes together like chocolate and peanut butter, no? -- could be the answer migraine sufferers worldwide have been praying for while banging their heads against the wall. U.C. San Francisco scientists -- using rats to follow up on a study of human volunteers by researchers at New York's Albert Einstein College of Medicine -- saw promise i