The official G7 agenda started on Tuesday morning with a two-hour session on Ukraine. Volodymyr Zelenskyy arrived here in Evian to speak to the G7 leaders – he was warmly welcomed by the host, Emmanuel Macron, and later held a bilateral with Sir Keir Starmer. But Zelenskyy needs to convince Donald Trump to support his country and his cause and use the influence of the White House to end the war with Russia.