http://www.talkgold.com/money_blog/?p=65 Looks like they have had their account terminated much like that of many other owners of larger websites who were the target of manipulative clickfraud. Really sorry to see this. On one hand Google is protecting its advertisers, but on the other hand they are allowing children to screw up the earnings of large private companies
interesting the source is also listed as your homepage site in your profile but its already been posted about in several threads here days ago.