As Barack Obama is sworn in for his second term, FRONTLINE takes a probing look at the first four years of his presidency. With inside accounts from his battles with his Republican opponents over health care and the economy to his dramatic expansion of targeted killings of enemies, FRONTLINE examines the president's key decisions and the experiences that will inform his second term.

In the rural heartland of Syria's countryside, the bloody uprising against President Bashar Al Assad has taken a terrifying turn. In this highly charged documentary, award-winning filmmaker Olly Lambert lives on both sides of Syria's sectarian frontline, witnessing the devastating effect of a religious feud that, regardless of the outcome of the war, is shaping Syria's future. For generations, the many religions that live in Syria's Orontes River...

That's how the CDC describes a frightening new threat spreading quickly in hospitals, communities and across the globe. FRONTLINE reporter David Hoffman investigates the alarming rise of untreatable infections: from a young girl thrust onto life support in an Arizona hospital, to a young American infected in India who comes home to Seattle, and an uncontrollable outbreak at the nation's most prestigious hospital, where 18 patients were mysteriously...

Thanks to social media, today's teens are able to directly interact with their culture - artists, celebrities, movies, brands, and even one another - in ways never before possible. But is that real empowerment? Or do marketers still hold the upper hand? In Generation Like, author and FRONTLINE correspondent Douglas Rushkoff (The Merchants of Cool, The Persuaders) explores how the perennial teen quest for identity and connection has migrated to...

You have an incurable illness, you want to die and you want help dying - what can you do? The terminally ill who live in Oregon or Washington can openly ask a doctor for help, but in the rest of country, where physician-assisted suicide is illegal, people who are suffering turn in secret to friends, family and even activist organizations. FRONTLINE explores this shadow world of assisted suicide, where the lines between legality and criminality are...

Part two of a special series about how two rivals have plunged the Middle East into sectarian war. While Iran extends its power from Iraq into Syria and Lebanon, Saudi Arabia is making a stand in Yemen, with deadly consequences for the region.

Each year, an estimated 2 million people in the U.S. are infected with antibiotic-resistant bacteria-and at least 23,000 die. As the crisis deepens, FRONTLINE correspondent David E. Hoffman turns his attention to the American farm, a sector that comprises an estimated 70 percent of all antibiotics sold. Hoffman travels the country to investigate new research out of Arizona, Pennsylvania, and Texas focusing on how antibiotics on the farm might be contributing...

The Interrupters tells the moving and surprising stories of three Violence Interrupters who try to protect their Chicago communities from the violence they once employed. Shot over the course of a year, The Interrupters captures a period in Chicago when it became a national symbol for the violence in our cities. Synopsis: The Interrupters follows three individuals who with bravado, humility and even humor work to protect their Chicago communities...

FRONTLINE and ProPublica reveal how the stories of Charles Taylor (the American-educated war criminal notorious for his use of child soldiers) and the tire company Firestone (Liberia's largest single employer) intersected during the brutal Liberian civil war. This film raises provocative questions about corporate responsibility, accountability, and the ethical ramifications of doing business in conflict zones