The G7 summit U.S. President Joe Biden attends in Japan this week will show leaders unified behind a common approach to dealing with China based on shared values, even while recognizing each country will manage its own relationship with Beijing, a senior U.S. administration official said on Monday. Biden’s Japan visit will show that Washington can both support Ukraine and maintain an unprecedented level of engagement with the Indo-Pacific region, the official told Reuters on condition of anonymity. After the three-day summit starting Friday, Biden will make a brief, historic stop in Papua New Guinea, then travel to Australia for…