The Department of Homeland Security yesterday announced new steps to make it easier for businesses to verify whether workers are in the country legally, and called for Congress to give the department authority to track mismatched Social Security numbers submitted by businesses. "Most businesses want to do the right thing when it comes to employing legal workers," Department of Homeland Security Secretary Michael Chertoff said. "These new regulations will give U.S. businesses the necessary tools to increase the likelihood that they are employing workers consistent with our laws. They also help us to identify and prosecute employers who are blatantly...