(Immigration Marches Los Angeles Alma Banuelos, left, with Emilia Hernandez shout slogans during a rally in downtown Los Angeles Wednesday, May 1, 2013. In celebration of May Day thousands have gathered for an immigration reform rally in downtown Los Angeles.) (CNSNews.com) – Granting amnesty to illegal immigrants would cost $6.3 trillion, according to a new report by the Heritage Foundation. “Unlawful immigration and amnesty for current unlawful immigrants can pose large fiscal costs for U.S. taxpayers,” states the report by Robert Rector and Jason Richwine, Ph.D. Not only would the federal deficit increase, but the cost of benefits and...