chess

Samuel Sevian recently reached two milestones in his life. He became a "national master" in chess earlier this month, and he turned 10 years old on Sunday.

The California fourth-grader, who was 9 at the time, is the youngest "national master" in U.S. history. Sevian's father says Samuel has been competing against adults since he was eight.

In New York, for example, diamond dealers, florists and even chess shops are clumped together.

That's from yesterday's All Things Considered (4:44 podcast).

 A very nice explanation of economies of agglomeration.

In New York, for example, diamond dealers, florists and even chess shops are clumped together.

That's from yesterday's All Things Considered (4:44 podcast).

 A very nice explanation of economies of agglomeration.