Rep. Marcia Fudge, D-Ohio, chair of the Congressional Black Caucus, says her group fears an immigration overhaul that greatly expands high-tech visas could have an adverse impact on blacks aspiring to such jobs. Susan Walsh/AP hide caption

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Susan Walsh/AP

Rep. Charles Rangel, D-N.Y., participates in last week's National Puerto Rican Day Parade in New York City. Richard Drew/AP hide caption

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Richard Drew/AP