It's not a murder defense you'll hear very often. A Virginia man accused of shooting two people on the Blue Ridge Parkway April 5 told police his mind may have been impaired by male enhancement drugs. According to a search warrant affidavit, 56-year-old Ralph Leon Jackson of Stuarts Draft, Va. told an Augusta County investigator he'd been taking male enhancement substances that might be making his mind "fuzzy" or "foggy." A Bureau of Alcohol, Tobacco, Firearms and Explosives agent filed the affidavit Thursday, April 29, in federal court in Harrisonburg. Jackson is jailed on state charges of murder and attempted...