Thursday on the NewsHour, Republican presidential candidates prepare for the 10th GOP debate in Houston. Also: Doubts swirl about the looming Syrian ceasefire agreement, how economic fears feed into populist politics, the mother of a Columbine shooter writes on her…

Wednesday on the NewsHour, presidential candidates scramble for votes across dozens of states as Super Tuesday looms on the horizon. Also: A look inside today’s divided political landscape, critics question the extent of America’s nuclear arsenal in a post-Cold War…

Tuesday on the NewsHour, President Obama announces plans to close the detention center at Guantanamo Bay, drawing vocal opposition from GOP lawmakers. Also: Republican candidates prepare for the Nevada caucuses, sea levels rise faster than ever before, Los Angeles’ plan…

Monday on the NewsHour, following the latest round of voting, Amy Walter and Tamara Keith talk the changing face of the 2016 race. Also: The proposed Syrian ceasefire takes effect next week, the Supreme Court remembers Antonin Scalia, U.K. considers…

Friday on the NewsHour, with less than 24 hours to go before polls open in South Carolina’s Republican primary, trailing GOP contenders make one last push for support. Also: a look at South Carolina’s sharp-edged political scene, Shields and Brooks…

Wednesday on the NewsHour, high-ranking senators weigh in on the fight over nominating Justice Antonin Scalia's successor. Also: Apple opposes a judge's order to unlock the iPhone for the FBI, campaign dispatches from battleground states South Carolina and Nevada, an…

Tuesday on the NewsHour, GOP candidates talk national security as Democrats court black voters in anticipation of the next primary. Also: The USDA plan to make retailers stock healthier foods, Europe’s Jews fear violence from Islamic extremists, the “Egyptian Jon…

Friday on the NewsHour, Hillary Clinton and Sen. Bernie Sanders meet for their sixth Democratic debate. Also: World powers strike a fragile cease-fire agreement for Syria, Egypt’s women fight sexual violence through activism, a moment 1,000 years in the making…