Current Sunni/Shiia Issues   

• The New Cold War
  
• Iran, Saudi Arabia Tensions Spir Fears of a Proxy War
  

Links to relavant articles:

• Can You Tell a Sunni From a Shiite?
  
• Sunnis and Shiites
  
• The Origins of the Shia-Sunni Split 
  
• Chronology: A History of the Shia-Sunni Split
• The Origins of the Sunni/Shia Spilt in Islam
• Islam's Sunni-Shiite Split