On today's show: As ISIS claims responsibility for unprecedented terrorist attacks in Iran’s capital of Tehran today, we speak with Northeastern professor Mateo Farzaneh about how these attacks could affect the region.  We speak with human rights activist Najila Ayoubi about the state of peace talks with the Taliban in Afghanistan On Global Notes: the songs of Malian artist Oumou Sangare. She has just released her first album in eight years.

On today's show, we kick off Bike To Work Week with a conversation with Jay Walder, president and CEO of Motivate, the parent company of Chicago bike share program Divvy. Plus, we're joined by Ron Burke, the executive director of the Active Transportation Alliance, John Castro of the Studio Gang architecture firm and Paul Fitzgerald, manager of Working Bikes.

On today's show: We hear the latest into the investigation into Saturday's terrorist attack on the London Bridge. After President Trump's decision to withdraw the U.S. from the Paris Climate Accords, we take a look at the international implications for the fight against climate change. And can cycling save the world? Guardian writer Peter Walker believes it can. 

Born and raised in Evanston, New York Times journalist Jeffrey Gettleman tells us about his risky yet exciting career in Africa.

On today's show: As Venezuelans continue to protest Presiden Nicolas Maduro, Goldman Sachs has found itself at the center of the political crisis. For more, we turn to David Smilde, senior fellow at the Washington Office on Latin America. Our resident historian takes us back to the invention of the radio. Film contributor Milos Stehlik shares what to watch at a film series that runs through the work of French Director Jean-Pierre Melville.  Nari Safavi offers global recommendations for this weekend.

President Donald Trump announced today that the U.S. will pull out of COP21. Ahead of that news, we talked about the ramifications of leaving the accord with Alden Meyer, director of strategy and policy at the Union of Concerned Scientists. Plus, conversations with public interest lawyer Prashant Bhushan and Chicago's former chief sustainability officer, Karen Weigert. 

On today's show:Jeffery Gettleman has been beaten by Ethiopian soldiers, abducted by insurgents in Iraq, held at gunpoint by warlords and sickened by a rare strain of malaria. We hear stories from the NYT East Africa bureau chief. A three-day music festival preceded the famous 1974 boxing match between Muhammad Ali and George Foreman. We hear music from the Rumble in the Jungle.

On today's show: Somalia is confronted with drought and terrorism. World leaders met in London on May 11 to discuss the country's future.The political climate in the Philippines with Rodrigo Duterte as president. The 70th Cannes Film Festival is over and WBEZ film contributor Milos Stehlik has all the highlights. 

The environmental non-governmental organization Global Witness declares Honduras the world’s most deadly country for environmental activists. Honduran activist Berta Cáceres was murdered there in March 2016. Now, two women have come together to let their art speak for Cáceres and the women of the Honduran resistance movement. Melissa Cardoza is author of the book 13 Colors of the Honduran Resistance. One of the women Cardoza highlights is Karla Lara, a singer/songwriter and social justice activist with the National Network of Women Human Rights Defenders in Honduras. Cardoza, Lara and Matt Ginsberg-Jaeckle, a community organizer and member of the Chicago-based La Voz de Los de Abajo, spoke about the conditions in Honduras on Worldview.

On today's show: At least 26 people have been killed and 25 wounded after gunmen cornered a bus carrying Coptic Christian pilgrims in central Egypt today. Sarah Yerkes, a fellow in the Carnegie Endowment's Middle East Program, joins us to discuss. Then, there's a military crackdown on protests in Brazil. Joe Leahy, the Brazil bureau chief for the Financial Times, weighs in. Plus, Milos Stehlik brings us his third dispatch from the Cannes Film Festival in France, and on Weekend Passport: A Moroccan play The Match.