CNN Amanpour.

Farnaz Fassihi, from the New York Times, joins Christiane Amanpour to discuss the recent deadly protests in Iran. A 50 percent rise in oil prices triggered national unrest, and thousands of Iranians have taken to the streets in protest with deadly consequences. She gives her gives her view on the brutal crackdown on demonstrators. Péter Szijjártó, the Hungarian Foreign Minister, talks all things NATO as the summit took place in London this week. He discusses everything from migration, to climate change, to tensions with Ukraine, in a wide-ranging conversation. Artist Dread Scott looks back on his recent recreation of a Louisiana slave revolt from 1811, the German Coast Uprising. He outlines why he thinks so many people wanted to come together to recreate the forgotten rebellion. Our Alison Stewart sits down with designer Christian Siriano to find out more about his rise to the top of the fashion world. Known for his breathtaking visual imagination, and for championing body positivity and diversity on the runway, he talks about why he's not afraid to break the rules.

Russ Feingold, former Senate Democrat, and Mia Love, former House Republican, join Christiane Amanpour to dig down into the latest developments in Washington. As former Democratic favorite Kamala Harris drops out of the 2020 Presidential race and House Speaker Nancy Pelosi announces that the house will draw up articles of impeachment against President Donald Trump, they give their take on why recent events have unfolded as they have and the likely next steps of the big political players. Rory Stewart, the former British Conservative MP, talks about the urgent need to bring politics back to the center and why he's throwing his hat into the ring for London Mayor. From signaling issues on the Piccadilly line, to knife crime in the capital, he highlights key issues and how he hopes to solve them, should he replace current Mayor Sadiq Khan. Our Walter Isaacson sits down with George Church, professor of genetics at Harvard Medical School, to discuss his extraordinary work that ranges from growing human organs to resurrecting long extinct animals. He addresses the potential that genetic engineering holds, but also the ethical issues it poses.

Kay Bailey Hutchison, U.S. Ambassador to NATO, joins Christiane Amanpour to discuss the key developments and dramas to come out of the NATO summit in London. Michael Lewis, author of "Fifth Risk" and "The Big Short," digs down into the political crisis unfolding on Capitol Hill, as the House Judiciary Committee hears its fist testimony from four constitutional scholars. He gives his take on the impeachment process so far and the future of the country. Our Hari Sreenivasan sits down with Jonathan Haidt, the social psychologist and co-author of "The Dark Psychology of Social Networks." He serves up solutions for what he calls the "outrage machine," that is spreading anger and toxicity.

Bobby Ghosh, the Bloomberg opinion editor, joins Christiane Amanpour to discuss the tensions between presidents Donald Trump and Emmanuel Macron, as they meet in London for NATO's 70th summit. Gülnur Aybet, senior adviser to Turkish president Recep Tayyip Erdogan, unpacks the criticism Macron levelled at Erdogan over Turkey's offensive in Syria. She defends the apparent blocking of the NATO defense plan for the Baltics and Poland. Shirin Neshat, Iranian artist, and Hadi Ghaemi, executive director of the Center for Human Rights in Iran, explain the importance of defending artist freedoms in Iran amid the ongoing protests that have seen more than 200 killed. Our Hari Sreenivasan sits down with Feras Fayyad, the Emmy Award-winning director, to discuss his new film of "The Cave" which documents the work of Syrian doctor Amani Ballour as she managed an underground hospital in Ghouta, outside Damascus.

Jens Stoltenberg, NATO Secretary General and former Prime Minister of Norway, joins Christiane Amanpour to reflect on 70 years of NATO, their strategy on terrorism and their approach to Trump's foreign policy. Gérard Araud, former French Ambassador to the United States, and Karin von Hippel, the Director-General of the Royal United Services Institute, weigh in and assess the future of the post-war alliance. Yaron Zilberman, co-writer and director of "Incitement", talks about dramatizing the assassination of Israeli Prime Minister Yitzhak Rabin. He explains how the consequences of that deep division and religious extremism seen 25 years ago can still be felt in Israeli society today. Our Walter Isaacson sits down with Jonah Peretti, CEO of BuzzFeed and co-founder of The Huffington Post, to unpack what "public interest" means in the age of the internet.