A fragile truce in Syria appears to be crumbling after new airstrikes in Aleppo. More than 100 migrants are reported drowned after a boat capsizes off the Egyptian coast. And the U.S. allows Boeing to sell passenger planes to Iran. A panel of journalists joins guest host Amy Walter for analysis of the week's top international news stories.
Artificial trees to capture carbon, billions of tiny mirrors to reflect sunlight, sulfate to whiten clouds: promise and pitfalls of large scale radical ideas for addressing climate change.
- Eli Kintisch author of "Hack the Planet: Science's Best Hope- or Worst Nightmare - for Averting Climate Catastrophe"
- Margaret Leinen Founder and CEO, The Climate Response Fund
- Robert Jackson Nicholas Chair of Global Environmental Change and a professor in the Biology Department, Duke University
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Ongoing protests in North Carolina over the police shooting of a black man. Hillary Clinton and Donald Trump clash on national security policy after the New York bombing. And lawmakers sharply question Wells Fargo's CEO over scam accounts. A panel of journalists joins guest host Amy Walter for analysis of the week's top national news stories.
New York Times best-selling author Candice Millard on her new book, "Hero of the Empire: The Boer War, a Daring Escape and the Making of Winston Churchill."
Protests erupted this week after the fatal shooting of an African-American man by police in Charlotte — this, after another police shooting in Oklahoma. More than two years after Ferguson, debate over how police departments are addressing deadly force.