Jack Smith's way is to work the machine, not just throw a spanner in it.

ECONOMIST: The quiet man

That would throw a spanner into the works of its money-spinning advertising machine.

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However two British MEPs, Liberal Democrat Diana Wallis and Conservative Nirj Deva attempted to throw a spanner in the works by forcing an election.

BBC: Democracy Live site links

It should be punch and counterpunch between the leading duo until the final bell sounds in Brazil, with the weather set to throw a spanner in the works too.

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