With Congress again failing to curb US President Donald Trump’s authority over Cuba, the centre of gravity in US policy towards the island is shifting decisively back to the White House – and to a narrower, more consequential question: what comes next? Tuesday’s 51-47 Senate vote to block a Democratic-led war powers resolution on Cuba does not change policy on its own. It was widely expected, reflecting a long-standing pattern in which Congress has struggled to assert its war powers authority...

The United Arab Emirates announced on Tuesday that it will leave the Organisation of the Petroleum Exporting Countries (Opec) and the wider Opec+ alliance effective May 1, a move that signals a push for greater control over its production strategy. The decision followed “a comprehensive review” of the country’s production policy and capacity, the Ministry of Infrastructure said in a statement, adding that it was based on national interests and a commitment to help meet global market...