The documentary trail quite prudently asserts that such casual use of ultrasonography is inappropriate and irresponsible.

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He had stopped performing for a bit and the documentary showed him on the comeback trail and finally ended up with him performing in Las Vegas.

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There's a clip in the documentary of one of the lads breaking trail, every step up to his knees in snow, and you hear him say: 'Well, this is our job so we've got to get on with it.

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