children could be available in a matter of days. we'll talk with pediatrician claire boogaard, who oversees the covid vaccine program at washington, d.c.'s children's national hospital. plus, current and former presidents weigh in on the gubernatorial race in virginia. what that says for democrats and republicans. we'll have a preview. it is all just ahead on "face the nation." ♪♪ ♪♪ >> brennan: good morning, and welcome to "face the nation." we begin a consequential week in washington with lawmakers eyeing votes on two key bills that make up president biden's domestic agenda, while he also pushes to revive american leadership abroad. overseas this morning, the challenge of how to survive on a hotter planet faces world leaders at the g-20 summit. the president also discussed other national security threats with turkey's r pred erdogan. with much of the globe still fighting covid, recovering from this pandemic is a challenge for the economy and a slow global supply chain. the increasingly tense relationship with china is at the heart of all of it. and secretary of state, antony blinken, who is traveling with the president, met today with chinese officials for the fir