Hillary Clinton and Leon Panetta sit for a joint interview at NATO in Brussels . Panetta says a nuclear test by North Korea would be a provocation . On the unrest in Syria , Clinton said it was a `` long shot '' that Russia and China would change their position and allow for a U.N. Security Council resolution that calls for an end to the violence and a transition of power . The U.S. military has conducted more than 100 missile tests since the end of World War II — including some that have been deemed successful. Clinton says it was too early to know if Kim Jong Un will follow the lead of his late father .
Hillary Clinton and Leon Panetta sit for a joint interview at NATO in Brussels . Panetta says a nuclear test by North Korea would be a provocation . The U.S. military has conducted more than 100 missile tests since the end of World War II — including some that have been deemed successful. Clinton says it was too early to know if Kim Jong Un will follow the lead of his late father .