• The Wall Street Journal  OPINION
• April 3, 2012

The End of the Saudi Oil Reserve Margin

Riyadh is less and less able to cushion supply shocks as it consumes more and more of its own oil.

By JIM KRANE

Doha, Qatar

 http://online.wsj.com/article/SB10001424052702303816504577319571732227492.html