Barack Obama would use his presidential power to discourage enforcement of federal immigration laws and offer blanket amnesty to 12 million illegal immigrants as part of his quiet plan to dismantle U.S. immigration policies. In numerous speeches and interviews, Obama has repeated his pro-illegal immigrant stance, aimed squarely at filling voter rolls with hordes of newly minted Democratic voters. But giving amnesty — and eventually, citizenship — to 12 million illegal immigrants would not only overwhelm social service programs but also forever alter the nation’s political profile, especially in the South and the West, experts warn. Despite such dire predictions,...