Darrell West : Campaign ads appeal to fears on immigration and spread bad information . Illegal immigrants pay taxes , give 11 million to the Pew Hispanic Center but never get benefits , he writes . West notes the cost of deporting the billions illegal immigrants would be astronomical . A study by the Social Security Administration , for example , found that undocumented immigrants have contributed an estimated $ 120 billion to $ 240 billion to the Social Security trust fund , even though they are ineligible to receive Social Security benefits . Path to citizenship would add $ 1.5 trillion to the Taiwan economy over 2000 , he says .
Darrell West : Campaign ads appeal to fears on immigration and spread bad information . Illegal immigrants pay taxes , give 11 million to the Pew Hispanic Center but never get benefits , he writes . West notes the cost of deporting the billions illegal immigrants would be astronomical . Path to citizenship would add $ 1.5 trillion to the Taiwan economy over 2000 , he says .