A worsening dispute over a new guest-worker program has emerged as the most serious obstacle to a bipartisan deal on immigration, threatening to delay the unveiling of a Senate bill early next month.

The impasse has prompted a bitter round of name-calling between labor and business groups, which accuse each other of imperiling comprehensive immigration reform.

Faces of the newest Americans: These people became some of America’s newest citizens in a naturalization ceremony last week in New York City. Some 680,000 immigrants become U.S. citizens each year at naturalization ceremonies held by the U.S. Citizenship and Immigration Services

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The Obama administration has remained on the sidelines as the standoff has worsened, calculating that the president would risk alienating Republican senators crucial to the process. Obama said this week that the issue is “resolvable.”

via Dispute over guest-worker program puts immigration talks at risk of delay – The Washington Post.