country will have more black, indigenous and people of color than just plain old white folks. but what does that mean? to quote my young friends, i don't really know. ♪ >> every now and again, a year comes up on the calendar that sparks the national imagination. 1976, 1984, 2000. >> it's an emergency we all hope doesn't happen. >> well, for many people, 2045 is that kind of number. that is the year, according to the u.s. census, that america