07/08/14 - Tuesday’s Topical Currents looks at the issue of U.S. Border Patrol and Homeland Security's ever-widening reach into the lives of American citizens and legal immigrants as well as the undocumented. We visit with investigative journalist Todd Miller. He’s spent the last fifteen years researching, writing about and working on immigration and border issues. His latest book is Border Patrol Nation: Dispatches from the Front Lines of Homeland Security. That's Topical Currents, Tuesday at 1pm.