It's often said that the only creatures capable of surviving a nuclear holocaust are cockroaches and Keith Richards. But Hair Balls would like to add another unkillable entity to that list: Anna Nicole Smith lawsuits.The Chron reported today the plight of Lyndal Harrington, a local blogger who was held in contempt and ordered to Harris County Jail by a state district judge last Friday. At issue was Harrington's computer: She was ordered to turn it over to the court. Neil McCabe, the Houston atto