Challenges include two wars and global inertia on the climate crisis as hard-right populists from France to the US flex their muscles

• David Lammy: ‘Britain has to start reconnecting with a dangerous, divided world’

More than two years after Russia invaded Ukraine, the conflict drags on. Ukrainian forces are depleted and they need foreign weapons. Support for Ukraine crosses most party lines in Europe, but if Donald Trump wins the US election and cuts or limits the flow of arms, Europe may struggle to fill the gap. Lammy will want to shore up public support, bolster European collaboration, and map out what resources the continent can collectively offer Ukraine if the US steps back.