It's true that the Labor Department's figures do undercount in one respect: they cover only plans with 100 or more participants - and therefore cover "only" 61 million of the 72 million active participants in DC plans. If Litan and Singer had taken the Labor Department's numbers and multiplied them by 72/61, or 1.18, that I could understand. But disappearing into a rabbit-warren of private-sector surveys of dubious accuracy, and emerging up with a number which is double the size of the official one? That's hard to justify. So hard to justify, indeed, that Litan and Singer don't even attempt to do so.

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to his credit a 19%

Russian space officials have blamed the failures on manufacturing flaws and engineering mistakes. But observers say that the problem is rooted in a post-Soviet industrial meltdown that has stalled the modernization of the space industry.

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