It was and he's backed off it recently, in suitably petulant fashion. I think the idea of the US invading Canada was always just noise to distract from other things, but even if it wasn't he's had his shot at using military force and it has gone as poorly as could have been predicted.
Ackshully, the Americans say it better. The English went with "yum" because it sounded more sciencey. International standards go with Brit, and I'm sticking with the British usage anyway.
We use both. While both are accepted as being correct spellings (which yours isn't) you might be interested to learn that the English scientist who discovered it, Sir Humphry Davy, called it aluminum.
Both are valid, and the British one is the international standard. However, the US one is actually older, as Russ noted. Davy called it aluminum, after he'd called it something else. Alumium.
Cant help but think that if barton wasn't a footballer, he would have spent a fair amount of the last couple of decades in prison. Utter shitstain of a human being.