(There are limits to the number of live rails Mr Ryan is willing to grasp at once: his budget leaves intact the biggest single item in the budget, Social Security, the state pension scheme).

(瑞恩先生欲一次解决问题的数量有限：他的预算方案未触及另外一个最大的项目——社会保障制度，国家养老金方案)。

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But his boldest move is a plan to create a social-security scheme by 2010.

ECONOMIST: The South African state has a welcome fiscal problem

Similar to U.S. Social Security, the national pension scheme has essentially been an insurance program.

FORBES: Work Begins on Reforming the National Pension (2)

Even Mr. Perry's declaration that Social Security is a "Ponzi scheme, " much discussed in Monday's debate, has a parallel in the 1980 campaign.

WSJ: Doubts About Perry Echo Those Faced by Reagan