bryan stelter is with us. bryan, you say not seeing this coming was one of the biggest media failures of our lifetime. >> it was. it is a collective failure, something we have to spend a lot of time figuring out. i think that process is just beginning today. you think about why virtually all journalists on all sides were convinced clinton was going to win, why was trump convinced clinton was going to win? why was clinton convinced she was going to win? why was wall street convinced she was going to win. this is a failure of elites, among journalists, a failure of imagination. >> we're taught to look at the facts and report the facts, and every single fact from every single poll that's been pretty spot on for decades was wrong. >> the polls were off by a few percentage points. i would say the national polls, though, were within the margin of error. >> but this was a wave that was not reflected in any numbers. >> the size of the trump wave was not measured well, and that's partly because the state polls were in t