Renovating a historic home By James Smar The Meadowcroft Rockshelter and Museum in western Pennsylvania is getting a lot of attention this week, as it reopens the archaeological site of a 16,000-year-old human habitation. It had been closed to the public for a year for renovations.The idea of renovating a dwelling after 16,000 years is intriguing. They could have called in a television team consisting of the guys from This Old House, that Extreme Makeover crew and those cavemen from the insurance commercials. Radioactive carbon testing in 1974 of remnants of burned firewood determined the age of the domicile, making...