Sebasti-n Piñera has been sworn in as president of Chile, minutes after it was hit by the largest aftershock since last month's devastating earthquake. Piñera's presidency ends two decades of left-wing rule in Chile. The BBC's Gideon Long reports.
Anchor Lisa Mullins speaks with organizational psychologist Robert Sutton of Stanford University about how one of the Chilean miners acted as the epitome of the ï¿½good boss' to his colleagues underground.
To protect endangered populations of fish, scientists are devising new techniques that can identify where a fish was caught. This should enable regulators to make sure fish being sold are from sustainably harvested populations. Ari Daniel Shapiro reports.
In their debates, Mitt Romney and Barack Obama have clashed repeatedly over the economy. In the final debate, Romney vowed to focus on Latin America, an area where he said Obama hasn't engaged — but is that even possible?
A judge in Chile has indicted a former US military officer in a murder case that inspired the 1982 Oscar-winning movie "Missing." We talk with Joyce Horman, the widow of slain American journalist Charles Horman.