By pre-arrangement, and by way of compromise, the prime minister has chosen to attack the Tories' general anti-Europeanism, rather than make a robust case for the merits of the euro.

ECONOMIST: Britain and the euro

The government has also arranged for Petrobras to be the primary operator of all pre-salt oil fields and to have a minimum 30 percent stake in all pre-salt joint ventures, an arrangement that is still competitive in relation to other major oil-producing states like Nigeria and Venezuela (and without the high militant and political risk).

FORBES: Brazil: Strategic Planning For Pre-Salt