Giuliani's Immigration Flip-Flop

A decade ago, as mayor of New York, Mr. Giuliani used that historic backdrop to champion the cause of immigrants, calling attacks on people who came here legally a blow to "the heart and soul of America." And from City Hall he often defended illegal immigrants, ordering city workers not to deny them benefits and advocating measures to ease their path to citizenship.

But now he is running for president, and the politics of immigration in the post-9/11 world is vastly different, with the issue splitting the Republican Party and voters peppering Mr. Giuliani on the campaign trail with questions about his current thinking. Perhaps more than any other candidate, Mr. Giuliani has a record on immigration with the potential to complicate his bid for the nomination.

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