Peter Singer: Don’t take your eyes off China

With a nuclear deal kind of, sort of in place, Iran has been at the forefront of the news lately. But it would be a mistake to take the focus off other places on the radar screen. In particular, China. Peter Singer is a military expert and futurist at the New America Foundation. He joined Tom Temin on the Federal Drive to explain why he believes the Chinese threat is the primary one the United States faces.