glasgow, scotland. joining me now is nbc senior white house correspondent kelly o'donnell. chief executive and cofounder of independent climate change think tank ekg and scientist michael man, penn state professor and director of their earth science center, his latest book is entitled "the new climate war." kelly o., a potentially embarrassing image of president biden has emerged from the climate conference there. tell us what we know and what the white house is saying about this. i know how exhausting that overseas schedule is, and they did have a late night last night. >> yes, this is the fifth day of the president's overseas tour, and he was seen on camera with his eyes closed. it appears that perhaps he was dozing, and in these settings, cameras are all around. the camera caught president biden who turns 79 later this month with his eyes closed for a