World leaders gathered today in London to attend an anti-corruption summit hosted by Britain's prime minister. They pledged to fight the scourge of corruption. But some transparency and development groups say they want fewer pronouncements and more real change.
LAUREN FRAYER, BYLINE: This is one of the toniest neighborhoods in London's West End, and this morning, it was swarming with security officers, as limousines ferried world leaders up to a 19th century neoclassical mansion for a summit about corruption.
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