David Cameron and Barack Obama discussed the possibility of releasing emergency oil reserves during talks in Washington, the BBC has learned. No final decision was taken, but BBC political editor Nick Robinson said it was a sign of the president's concern at the high level of US fuel prices. The UK has previously released oil from its reserves as part of co-ordinated efforts to dampen soaring prices. Mr Cameron is ending his US trip by visiting Ground Zero in New York. His itinerary for the third day of the visit includes engagements at New York University, City Hall and a charter school - seen as the model for the ... (full story)