In the same video, Mr Romney also tells how he considered investing in a sweatshop-like factory in China when he was head of US private equity giant Bain Capital.

The businessman – who recently criticised Mr Obama for ‘spending 43 months failing to confront China’s unfair trade practices’ was given a tour of the factory in the 1990s, where 20,000 women earned tiny wages and lived in squalid conditions.
He said: ‘As we were walking through this facility, seeing them work, the number of hours they worked the pittance they earned.

‘And around this factory was a fence, a huge fence with barbed wire and guard towers. And we said gosh, I can’t believe that you, you know, keep these girls in.
‘And they said, no, no, no. This is to keep other people from coming in. Because people want so badly to work in this factory that we have to keep them out’.

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