Immigration has long been an emotionally and politically charged topic in the United States. The Senate last week began debating a bill to reform the nation's immigration policies. President Barack Obama called it a "broken system" and urged lawmakers to fix it. Some members of Congress are fighting for tougher laws. They, along with many Americans, worry immigrants are taking jobs from U.S. citizens and burdening already strapped social service programs. But a new book argues that legal immigration is almost always economically -- and morally -- beneficial. Diane speaks with Alvaro Vargas Llosa about immigration.
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Excerpt from "Global Crossings: Immigration, Civilization, and America" by Alvaro Vargas Llosa. Copyright 2013 by Alvaro Vargas Llosa. Reprinted here by permission of Independent Institute. All rights reserved.