The world’s top oil exporters are burning through their petrodollar assets at an accelerating pace, increasing the pressure to reach a deal to freeze production to bolster prices. The 18 nations set to gather in Doha on Sunday to discuss a production freeze have spent $315 billion of their foreign-exchange reserves -- about a fifth of their total -- since the oil slump started in November 2014, according to data compiled by Bloomberg. In the last three months of 2015, reserves fell nearly $54 billion, the largest quarterly drop since the crisis started. The petrodollar burn has consequences beyond the oil nations, ... (full story)