Implementation of the nuclear deal and prisoner swaps highlighted a weekend of diplomacy between the US and Iran after 35 years of outspoken hostility. How much longer can the "good feelings" last?
Later on the program, as the World Economic Forum begins in the posh resort of Davos in Switzerland, worldwide income inequality has reached a new level. Just 62 individuals at the very top own as much wealth as 3.5 billion other people.
Photo: US Secretary of State John Kerry talks with Iranian Foreign Minister Mohammad Javad Zarif after the International Atomic Energy Agency verified that Iran has met all conditions under the nuclear deal, in Vienna January 16, 2016. (Kevin Lamarque/Reuters)