If taught young, self-control skills can have strong protective effects, even helping those whose vulnerabilities might make them more likely to fall behind economically. That's according to Walter Mischel, author of "The Marshmallow Test," in part four of his conversation…

Saying the issue of his country's nuclear program was now "closed," Iranian President Mahmoud Ahmadinejad derided the United Nations for allowing world powers to bully others. It was the latest in a string of controversial comments from the leader during…