An Islip Terrace man is charged with fatally beating his 68-year-old father with a baseball bat after they argued Thursday morning about the son's messy bedroom, Suffolk homicide detectives said. Norman Murray, 33, was arrested and charged with second-degree murder. After mortally injuring his father, Ainsley Murray, the son called police shortly before 8 a.m. to tell them what he'd done, police said. When officers arrived at the family home at 349 Oceanside St. they found Norman Murray sitting on the front steps. They found the father in a basement bedroom where the son had battered him with an aluminum...