In the United States, we speak easily of different ethnic and religious communities. But the reality is far different in France, where the Charlie Hebdo attacks have brought religion and its place in French society back to the top of the agenda.
A founder of the school for coders says France is behind in the digital economy, so he's out to change that with a radical approach that finds the best minds, teaches them to collaborate and let's them loose on problems. They've already solved one for Apple.
Russian President Vladimir Putin sits at the top of a power structure he helped create. But it wasn't always this way. He was once an unemployed KGB agent looking for a job. He proved a master at upward mobility.
At the Paris climate talks, most everybody is searching for a silver bullet — a technological fix to produce enough clean energy to allow us to continue to grow. Some argue we already have part of the solution: more nuclear energy.