Elvira Arellano (C) and her son Saul, 8, attend Sunday services in Adalberto United Methodist Church in Chicago, in this April 15, 2007 file photo. Arellano, who marks her one-year anniversary of taking refuge in the church on August 15, 2007, plans to formally announce a September 12, 2007 trip to the nation's capital to lobby the U.S. Congress for immigration reform, local media reported. REUTERS/John Gress/Files (UNITED STATES)