wonderful things about the course. we 1,200 students on yale's campus, providing a tremendous amount of social support. people were asking other students, what did you write for your gratitude list today, what did you do for time athletics? it was powerful knowing that the whole community was doing this at the same time. >> laurie santos, pleasure to have you on. >> thank you so much. >> we'll be right back. at the alzheimer's association walk to end alzheimer's, we carry flowers that signify why we want to end the disease. and we walk so that one day, there will be a white flower for alzheimer's first survivor. join the fight at alz.org/walk. -we're in a small room. what?! -welcome. -[ gasps ] a bigger room?! -how many of you use car insurance?