Pattaya: Out of control Canadian swaps machete for jet ski rampage   Thai caption: Jetski farang chased and arrested   Harbor officials in Pattaya chased a foreign man annoying people in the bay on a jet ski yesterday.    When he was eventually arrested it turned out to be a Canadian man. It was the same man who had threatened neighbors with a machete in a rooftop rampage in the middle of last month.    William Alexander Baker, 45, was arrested at the