Chuck Hagel: “It's a legitimate question.”

When the National Guard opened up on students and killed students, partly because they weren't trained, they panicked.

They're not trained for law enforcement.

The Chinese are watching this as relates to Taiwan, the Iranians, the North Koreans -- all countries are watching this, and watching the U.S. response to it, and the West response to it.

Biden is a uniter. He's not a divider.