Biden Administration Southern Border Illegal Immigration Joe Biden US-Mexico Border Migrant Arrivals Texas Border Railway Bridges Migrant Shuttling Chicago Lawsuits Effect on Biden's Re-election Texas Border Communities Migrant Detention Illegal Border Crossings Migrant Encounters Biden Administration's Response US-Southern Border Illegal Immigrants Migrant Apprehension ICE Facilities Humanitarian Crisis Executive Actions Legislative Solution Border Security Measures Bipartisan Negotiations Congressional Actions Executive Authority Resources National Security Department of Homeland Security Public Opinion US Southern Border Migrant Crisis Biden's Handling Migrant Transportation Senate Action on Border Crisis Sanctuary Jurisdictions National Guard Deployment Child Trafficking Impeachment Immigration Reform Illegal Migrants