The State Department has approved more than $5 billion in potential missile defense arms sales to a pair of Persian Gulf nations for Patriot air and ballistic missile defense interceptors as well as radar, paving the way for potential deals worth $2.7 billion to the United Arab Emirates and nearly $2.5 billion with Bahrain. On May 3, the Defense Security Cooperation Agency announced the State Department had notified Congress of a decision to clear the UAE to buy 542 Patriot...