A U.S. Patriot missile system is seen at a Turkish military base in Gaziantep in this February 5, 2013 file photo. (Reuters Photo) The U.S. State Department is negotiating a potential deal to sell Turkey the Raytheon Co Patriot missile defense system as an alternative to the Russian-made S-400 system Turkey has agreed to purchase, … Continue reading US in talks with Turkey to sell Patriots instead of Russian made S-400s, official says