That’s US President Joe Biden’s message for world leaders in his first address as the country’s leader to the United Nations. “We must work together like never before,” he told the General Assembly in the latest effort to patch up frayed relationships after 4 years of the Trump era’s ‘America First’ approach. Biden’s also overseen a difficult couple of months on the global cooperation front… Tensions with allies over America’s withdrawal from Afghanistan and the major diplomatic row with France over AUKUS have jangled nerves. Thierry Breton, the EU Commissioner for internal markets, yesterday said that “something is broken between our relations in Europe and the US”. Ouch… Biden’s met with PM Scott Morrison this morning, and his schedule includes many others. Given the pressure, you can bet he’ll get tactile…