The Trump administration has mounted a nationwide campaign to void the asylum claims of thousands of immigrants with active cases in immigration court by arguing that they can be deported to countries that are not their own, according to internal government data obtained by CBS News. The effort appears to have intensified in recent weeks, targeting asylum-seekers with pending cases in immigration courts in Atlanta, New York, Miami, Los Angeles, San Francisco, Texas and elsewhere across the U.S., multiple immigration lawyers and certified legal representatives told CBS News...