He left it in the raging portion of the Vietnam war and took on Canadian citizenship long before he took US citizenship.
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I’m not sure what your inference is regarding the Vietnam War.
True he went to Canada but he wasn’t subject to the draft as he
wasn’t a US citizen, correct?
No. Ted says his dad got a green card. Green card holders were eligible for the draft and deferments could increase the eligible age to as high as 35 years old.
His father also had two daughters from his first marriage.