At one point, as Paul and his engineers struggled to fix a horrible shrieking sound they couldn't silence in the first batch of phones, he felt under such stress that "I could have walked into a wall and not felt it, " he says.

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At one point, as Paul and his engineers struggled to fix a horrible shrieking sound they couldn't silence in the first batch of phones, he felt so under stress that "I could have walked into a wall and not felt it, " he says.

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FlyersRights.org President Paul Hudson wants an independent analysis of Boeing's battery fix.

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