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WASHINGTON — A bipartisan immigration bill pending in the Senate would strengthen the Social Security trust fund by adding millions of workers to tax rolls, and provide a boost to the overall economy, according to an analysis Wednesday by the Social Security Administration.
The finding came in a letter to Senator Marco Rubio, Republican of Florida, who requested the analysis, from Stephen C. Gross, chief actuary for the agency.
It could provide a boost for the immigration bill, which has been attacked by some conservatives as overly costly, as the Senate Judiciary Committee prepares to take up the legislation for amendments and votes beginning Thursday. Meanwhile, a separate dispute loomed as religious leaders warned that adding a gay rights provision to the immigration legislation could cost their support.
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