Why it took 36 years to compensate Iran hostage victims

Clip: S2015 | 6m 52s | Why it took 36 years to compensate Iran hostage victims (6m 52s)

What can the U.S., Afghanistan do to counter Taliban gains?

Clip: S2015 | 8m 50s | What can the U.S. and Afghanistan do to counter Taliban gains? (8m 50s)

Students face high stakes in post-communist Romania

Clip: S2015 | 8m 5s | WNET's documentary series "Time for School" visits Bucharest. (8m 5s)

No one dreamed of a 'White Christmas' before this song

Clip: S2015 | 6m 37s | No one dreamed of a 'White Christmas' before this song (6m 37s)

News Wrap: Killer storms blast the South with tornadoes

Clip: S2015 | 6m 8s | News Wrap: Killer storms blast the South with tornadoes (6m 8s)

If Santa's workshop was run by behavioral economists

Clip: S2015 | 8m 38s | If Santa's workshop was run by behavioral economists (8m 38s)

Hear a Christmas poem from troops overseas

Clip: S2015 | 3m 31s | On the night before Christmas, a poem from troops overseas (3m 31s)

Afghan forces battle Taliban with help from U.S. airstrikes

Clip: S2015 | 2m 6s | Afghan forces battle Taliban surge with help from U.S. airstrikes (2m 6s)

What’s the best gift you’ve ever received?

Clip: S2015 | 1m 9s | What’s the best gift you’ve ever received? (1m 9s)

This Detroit family's life just changed

Clip: S2015 | 1m 33s | This Detroit family's life just changed (1m 33s)

Shields and Brooks on Obama’s year-end assessment

Clip: S2015 | 12m 54s | Shields and Brooks on Obama’s year-end assessment, candidates’ tough talk on terror (12m 54s)

One last visit to Downton Abbey before fans say goodbye

Video has Closed CaptionsCC

Clip: S2015 | 10m 2s | One last visit to Downton Abbey before fans say goodbye (10m 2s)

Obama makes fighting terror a priority for final year

Clip: S2015 | 4m 38s | Looking on to 2016, Obama makes fighting terror a priority for final year (4m 38s)

News Wrap: EU leaders vow to wage fight against terror

Clip: S2015 | 7m 14s | News Wrap: EU leaders vow to wage ‘uncompromising’ fight against terror (7m 14s)

Inside Ralph Nader's American Museum of Tort Law

Clip: S2015 | 6m 26s | Ralph Nader discusses his career, legacy and his new American Museum of Tort Law. (6m 26s)

In Boston, tracking data to score government progress

Video has Closed CaptionsCC

Clip: S2015 | 9m 20s | Under an initiative called CityScore, Boston is using data to track government progress. (9m 20s)

How personal data helps candidates predict your vote

Clip: S2015 | 9m 55s | Based on your personal data, political campaigns can now determine how you'll vote. (9m 55s)

Finding the recipe for a fresh start in culinary training

Clip: S2015 | 7m 21s | People in recovery find the recipe for a fresh start in cooking career training (7m 21s)

Assad future unclear under UN Security Council framework

Clip: S2015 | 5m 24s | Assad future unclear as UN Security Council charts a course for Syria (5m 24s)

After San Bernardino, a call to block online al-Qaida works

Clip: S2015 | 3m 31s | Scott Shane of The New York Times discusses the al-Qaida cleric, Anwar al-Awlaki. (3m 31s)

70 years after Nazi liberation, poets write about freedom

Clip: S2015 | 5m 49s | Jeffrey Brown interviews Mark Ludwig and Rita Dove. (5m 49s)

Why Bill Murray gets up to recite poetry every year

Clip: S2015 | 6m 46s | Why Bill Murray gets up to recite poetry every year (6m 46s)

What stagnant diversity means for America's newsrooms

Clip: S2015 | 8m 8s | What stagnant diversity means for America's newsrooms (8m 8s)

Terror threat shuts down schools across Los Angeles

Clip: S2015 | 3m 7s | Terror threat shuts down schools across Los Angeles (3m 7s)

National security focus puts GOP establishment in spotlight

Clip: S2015 | 4m 15s | National security shift puts GOP establishment in spotlight (4m 15s)

Why ISIS poses a 'new threat' when it comes to terrorism

Clip: S2015 | 10m 7s | Assistant Attorney General for National Security John Carlin joins Hari Sreenivasan. (10m 7s)

U.S. nuclear workers gave their lives in the Cold War

Clip: S2015 | 7m 33s | U.S. nuclear workers gave their lives in the Cold War (7m 33s)

Shields and Brooks on the GOP’s Trump problem

Clip: S2015 | 11m 51s | Shields and Brooks on the GOP’s Trump problem (11m 51s)

News Wrap: Congress buys time with short-term spending bill

Clip: S2015 | 4m 59s | News Wrap: Congress buys time with short-term spending bill (4m 59s)

Inside the landmark climate change deal reached in Paris

Clip: S2015 | 4m 3s | Wall Street Journal reporter Matt Dalton discusses the climate accord reached in Paris. (4m 3s)

How Speaker Ryan is retooling the GOP agenda

Clip: S2015 | 7m 28s | How Speaker Ryan is retooling the GOP agenda (7m 28s)

How Denmark aims to run on clean energy

Clip: S2015 | 10m | To lessen climate change, Denmark has taken steps to run completely on clean energy. (10m)

American Muslims feel singled out amid a climate of fear

Clip: S2015 | 8m 43s | American Muslims feel singled out amid a climate of fear (8m 43s)

News Wrap: Climate deal negotiators move into critical phase

Clip: S2015 | 5m 7s | News Wrap: Climate deal negotiators move into critical phase (5m 7s)

Full speech: President Obama address on terrorism

Video has Closed CaptionsCC

Clip: S2015 | 12m 58s | Full speech: President Obama address on terrorism (12m 58s)

Women take a stand against violence in Spike Lee’s ‘Chi-Raq’

Clip: S2015 | 6m 53s | Spike Lee sits down with Jeffrey Brown to talk his latest film, "Chi-Raq." (6m 53s)

Shields and Brooks on the San Bernardino shooting

Clip: S2015 | 12m 28s | Columnists Mark Shields and David Brooks analyze the week's political stories. (12m 28s)

Nigeria, a country of pain, promise and complexity

Clip: S2015 | 7m 41s | Nick Schifrin and Chimamanda Ngozi Adichie speak about Nigeria's complexity. (7m 41s)

News Wrap: U.S. economy turns in solid November jobs numbers

Clip: S2015 | 3m 17s | Also, OPEC announced it will keep pumping record volumes of oil into world markets. (3m 17s)

How to solve Puerto Rico's food crisis? Eat local.

Clip: S2015 | 4m 23s | In a bid to redevelop its agriculture, Puerto Rico officials push locally grown food. (4m 23s)

How can law enforcement prevent self-radicalization?

Clip: S2015 | 3m 22s | David Schanzer of Duke University discusses how people in the U.S. become radicalized. (3m 22s)

Climate talks move forward, but political roadblocks remain

Clip: S2015 | 3m 42s | Matt Dalton of The Wall Street Journal discusses the ongoing climate talks in Paris. (3m 42s)

Ambassador Power on uniting anti-ISIS coalition

Clip: S2015 | 9m 20s | U.S. Ambassador to the UN Samantha Power sits down with Judy Woodruff. (9m 20s)

Russia orders new sanctions against Turkey

Clip: S2015 | 4m 51s | Kimberly Marten, professor at Barnard College, joins Hari Sreenivasan for more analysis. (4m 51s)

Poverty, corruption fuels Boko Haram in Nigeria

Clip: S2015 | 8m 47s | NewsHour Special Correspondent Nick Schifrin has the latest on Nigeria. (8m 47s)

Pope Francis calls for peace in Central African Republic

Clip: S2015 | 3m 32s | Associated Press's Nicole Winfield talks Pope Francis's Central African Republic visit. (3m 32s)

Why more and more Millennials aren’t leaving the nest

Clip: S2015 | 7m 22s | Why more and more Millennials aren’t leaving the nest (7m 22s)

Why more and more Millennials aren’t leaving the nest

Clip: S2015 | 7m 22s | Why more and more Millennials aren’t leaving the nest (7m 22s)

Why more and more Millennials aren’t leaving the nest

Clip: S2015 | 7m 22s | Why more and more Millennials aren’t leaving the nest (7m 22s)

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New York attorney general calls foul on fantasy sports

Clip: S2015 | 6m 54s | New York attorney general calls foul on fantasy sports companies (6m 54s)