PBS NewsHour - Segments

Mark Sanford, former South Carolina governor and congressman, is breaking with his party to mount a primary challenge to President Trump in 2020. Sanford has long been outspoken about his objection to Trump -- a perspective that saw him defeated in his own congressional reelection bid. Sanford sits down with Judy Woodruff to discuss his party's identity, federal spending, climate change and more.

The grave reality of Hurricane Dorian's devastation in the Bahamas is becoming more evident each day. Great Abaco Island is virtually uninhabitable, and there's major destruction near Freeport and its surroundings on Grand Bahama. Government officials say 2,500 people are still unaccounted for. Stephanie Sy, the NewsHour's new national correspondent, talks to Christy Delafield of Mercy Corps.

The technology underpinning blockchain is a powerful decentralizing network architecture that could revolutionize many industries. Now, some artists are leveraging blockchain to help guarantee the authenticity of their work -- and ensure that they get paid. Miles O'Brien reports on how digital documentation is putting power back into artists' hands, even when no tangible object exists.

Reports that the U.S. extracted a Russian spy from the Kremlin in 2017 have reignited a discussion about intelligence community sources and methods. Specifically, questions are arising about whether Russian President Vladimir Putin himself ordered interference into the 2016 presidential election. Yamiche Alcindor reports and talks to Andrew Weiss of the Carnegie Endowment for International Peace.

On 9/11, as many tried to escape the wreckage and carnage in lower Manhattan, first responders rushed in. We remember that horrible day by taking a look at the sacrifice they made, courtesy of the documentary "Rescue, Recovery & Healing: The 9/11 Memorial Glade Dedication." The piece was produced by New York's WNET public media station.

John Bolton, the third person to serve as national security advisor under President Trump, is out. Bolton was one of Washington's outspoken hawks for decades, and he was instrumental in the U.S. withdrawal from the Iran nuclear deal. But Bolton and the president frequently clashed -- even about the details of Bolton's departure. Nick Schifrin reports and joins Judy Woodruff and Yamiche Alcindor.

How will the departure of John Bolton affect U.S. foreign policy, and was Bolton successful as national security advisor? Harvard University's Wendy Sherman, a former foreign policy official under former Presidents Clinton and Obama, and the Hudson Institute's Michael Doran, who previously worked in national security under former President George W. Bush, join Judy Woodruff to discuss.

In our Tuesday news wrap, Secretary of State Mike Pompeo called news accounts that a CIA informant was rescued from Russia in 2017 "factually wrong." Sources had reported the Kremlin mole had been in danger after exposure of Russian interference in the 2016 elections. Also, search teams in the Bahamas discovered more bodies in Hurricane Dorian's wreckage, pushing the death toll to at least 50.

As they return to Washington from their summer break, congressional Democrats want to make new gun safety legislation one of their top priorities. The House has already passed a law expanding background checks to private gun sales, but the GOP-led Senate has never voted on it. In the aftermath of three deadly August mass shootings, will the outcome be different now? Lisa Desjardins reports.

As Congress returns to Washington, three deadly mass shootings in August have reignited the debate over gun regulation. Meanwhile, some House Democrats are feeling pressure to step up impeachment inquiries. And with federal spending at record-high levels, settling on a funding bill to avoid another government shutdown will be critical. Lisa Desjardins and Yamiche Alcindor join Judy Woodruff.

From Angola to the former Yugoslavia, land mines are a lethal legacy of wars over long ago. Cambodia is among the most affected countries, with millions of buried explosives that kill and maim people each year. Now, an organization is deploying an unexpected ally to find mines: the giant pouch rat, whose sharp sense of smell can detect explosives. Special correspondent Fred de Sam Lazaro reports.

Harvey Weinstein was a film industry titan, but behind the scenes, he amassed a long list of alleged abuses toward employees and others -- as well as an intimidation campaign to keep them quiet. New York Times reporters Jodi Kantor and Megan Twohey broke the story in 2017 and have now published a book on the subject. They join Judy Woodruff to discuss the news that launched the #MeToo movement.

Robert Frank was among the most influential photographers of the 20th century, known for vividly capturing the quirks and social divisions of everyday American life. His work was distinguished by a unique artistic style as well as a focus on what was "beneath the surface." Frank, who befriended Jack Kerouac and provided art for a Rolling Stones album, died Monday at age 94. Amna Nawaz reports.

In our news wrap Monday, North Korea says it is willing to restart nuclear talks with the U.S. Previous discussions stalled after President Trump and North Korea's Kim Jong Un held a failed summit in Hanoi in February, but Trump continues to call their relationship "very good." Also, in Russian elections, opponents of President Vladimir Putin's party won nearly half of Moscow's city council seats.

Over the weekend, President Trump announced he was canceling a planned meeting with Taliban leaders at Camp David. On Monday, he said the months-long peace talks his team has been conducting with the extremist group are over. The negotiations had been marred by controversy, with critics objecting to the lack of participation by the Afghan government. Special correspondent Jane Ferguson reports.