Philip H. Gordon: “We have concerns about the direction Ukraine has been heading on the democracy front.”

Why not think that way and imagine that you would have transportation routes between Serbia and Kosovo; open trade between Serbia and Kosovo;

NATO is vital to U.S. security.

NATO remains committed to the article 5 principle of collective defense.

Absolutely. As I said, these are very serious charges. We have looked at them carefully and came to the view that they deserved, indeed required, serious investigation.