Every thinking person is concerned about the catastrophe in the Gulf of Mexico. Alaskans have had a unique vantage point when it comes to oil spills, until now. All of America now shares our experience, and our fears. We are told that the Gulf leak could go on for months, maybe decades. The natural human impulse is to look for, and blame, those responsible. Our government? Possibly. BP? Apparently. Ourselves?  Definitely. The unpleasant truth is that we are all to blame. Hummer owners…