county. we break it down for you. >>> happening today, president biden is waking up in brussels for the next leg of his overseas trip, a one-day nato summit. on the agenda reassuring allies after four years of donald trump's america first policy, the u.s. has their back. "today in the bay's" tracie potts is live in washington with a look at that and this week's critical meeting with russian president vladimir putin. good morning. >> and this is all leading up to that meeting, see yae. good morning, the meeting in brussels an impromptu q&a with reporters about the importance of its u.s.alliance with nato. at the nato summit in brussels today, 30 world leaders will meet the new american president, eager to hear that america is back on board protecting its allies. >> america is back in the business of leading the world. >> reporter: on their agenda, climate change, afghanistan, technology, and threats from china and russia. the biden team insists sanctions are working. >> you never know the dogs don't bark. sanctions on ukraine on russia for ukraine for example may well have prevented further russian aggression in tryi