From NPR News, this is ALL THINGS CONSIDERED. I'm Audie Cornish.
ROBERT SIEGEL, HOST:
And I'm Robert Siegel.
Talks resume this week in Vienna over Iran's nuclear program. Western powers want to prevent Iran from making nuclear weapons. Iran wants relief from economic sanctions. Well, today, we look at one of the issues: the construction of Iran's heavy-water reactor near the city of Arak. Critics doubt Iran's claims that the reactor is just for medical research, not weapons.
This is ALL THINGS CONSIDERED from NPR News. I'm Robert Siegel.
AUDIE CORNISH, HOST:
And I'm Audie Cornish.
And if you're trapped in traffic right now, or even if you're not, don't take your eyes off the road. Just let your mind drift slightly and think of Paris. That's where a spike in air pollution has driven the government to ban half of all cars from the road. Several cities in France are giving it a try, and Paris has the most severe restrictions.