Join Dornstein as he tracks evidence to Zurich and Libya, seeking the truth about the doomed flight.

Why has it been so hard for Washington to fix our country's broken immigration system? In "Immigration Battle," a special two-hour feature film presentation from FRONTLINE and INDEPENDENT LENS, acclaimed independent filmmakers Shari Robertson and Michael Camerini take viewers behind closed doors in Washington's corridors of power to explore the political realities surrounding one of the country's most pressing and divisive issues. Gain insight into the hard-fought battles and secret negotiations over immigration reform on Capitol Hill. Examine President Obama's push for policy changes that could affect the fate of millions and define for decades what it means to be American.