evening. "fox news sunday" is up next. chris: i'm chris wallace. the nation mourns our 41st president, george herbert walker bush. as president trump calls a temporary truce in the trade war with china at a summit of world leaders in argentina. >> we've made tremendous progress at the g-20 with many nations. chris: we'll break down the summit and how the president dealt with challenges from china, russia and saudi arabia with two key senators, republican roy blunt, a member of the gop leadership, and democrat ben carton, a member of the senate foreign relations committee. then, remembering a war hero turned statesman. >> i really believe it.