four-minute video posted on MySpace captured the employee, self-described as Mr. Unstable, bathing nude in a large stainless steel sink as several other employees and a store manager looked on. The video began making its rounds on the Internet Monday morning. One of the recipients was Greene County Health Commissioner, Mark McDonnell. “My first thought was oh my god,” said McDonnell. Timothy Tackett’s aka Mr. Unstable’s music on MySpace www.myspace.com McDonnell immediately sent staff to …