(CBS) CHICAGO A child abuse lawsuit aimed at helping illegal immigrants stay in the country is creating some waves. Some people believe the lawsuit in support a Chicago mother and her son misses a critical point, and CBS 2's Rob Johnson reports that others believe it's right on target.The immigration debate has become one of America's most pressing issues. The latest salvo fired came last week with the filing of a class action lawsuit on behalf of children like 7-year-old Saul Arellano, whose mother Elvira is hunkered down in a Humboldt Park church fighting deportation. The suit names President Bush and Attorney General Alberto Gonzales, among others, and claims that such deportations are a form of child abuse."They should be able to live in this country with their parents and that is not happening," said Emma Lozano with the Center Without Borders.That strategy, says CBS 2 legal analyst Irv Miller, is a long shot."It's probably not going to be a class action, which is what the mom and the child want it to be to gain the notoriety," Miller said.But UIC child psychiatry professor Dr.