In reply to Saor Alba:
Pretty much any that have a deer stalking 'business'. It is a hypothetical situation, but the Allerdale plan was jumped on at an instant by the neighbours re introducing wolves with no fences.
I was up on Rannoch this summer and it is hammered by deer. The Corrour Estate are making some progress, but most regeneration is still in exclosures due to the requirement to maintaining viable (read easy) shooting. Deer could be controlled with natural predators and stalking, rather than stalking alone, which only serves as pseudo income for the Laird.
The wildcat is a conundrum to solve. If you ask me, they probably do not exist genetically anymore given their mixing with household moggies. Domestic cats need banning, or neutering at birth if the wildcat is to have a chance. What chance have we got at enacting that? Red deer are on their way too, a lot have sika genes in them. These could be bred out over time if the source of the dilution is eradicated or reduced to an insignificant number. You either do that with man power, which is costly and then you have the landowners to deal with. Or you use something more natural, say lynx or wolf.. or better yet, wolverine!
I disagree with your 'no need' comment. As I said earlier, the ecological balance and niches that are fortified and created will mean it is boom time for Scottish wildlife. We only think there is no need because we are told that this is how it is and has always been. Just a few changes and you can make a world of difference. It is a case of having the vision and then acting on it.
Look at the expense of Creag Meagaidh (sorry if spelling wrong) and Glen Feshie, trying to get regeneration of Caledonian Pine Fporest. The high stalking levels costs a fortune. Wolves have been shown to do something similar, for free in Yellowstone. There is no reason why they wouldn't here.
Eric - People believe the hype about wolves, because we are told from a young age that the wolf is evil and will dress like your Nan. I mean some people vote Tory and they are far more dangerous than any animal
The vast majority of wolf attacks on the continent are from rabid animals. Those others have lost their fear of people. Keep the animal in fear and it will avoid human contact.