Iran and the US are both crowing about the agreement the two sides reached over the weekend. But major US allies are unsure of what to make of it and fear the US approach to the Middle East is changing dramatically, perhaps for the worse.
The Obama administration's call for intervention in Syria is expected to overshadow the gathering of the G-20 in St. Petersburg. Barack Obama and Vladimir Putin are bitterly divided over Syria. Host Marco Werman talks with The World's Matthew Bell.
Syria's Deputy Prime Minister, Qadri Jamil, says the civil war is in a stalemate. He was speaking in an interview with Britain's Guardian Newspaper. Anchor Marco Werman speaks with the Guardian's Jonathan Steele in Damascus.
The first round of Syria peace talks is wrapping up in Geneva. Not much has come out of these talks so far, but a Syrian journalist says one positive outcome is that the two sides are meeting face-to-face.
A team of scientists from California is touring European natural history museums to photograph ant collections. The images are being posted to a free website so anyone can study. Ari Daniel Shapiro of our partner program NOVA reports from London.