Twitter Nate Silver tells us “Why Polls Differ On Trump’s Popularity” https://t.co/xkdZHovSHM #poll #appor https://t.co/C1gpfQ5KQm Nate Silver tells us “Why Polls Differ On Trump’s Popularity” https://t.co/xkdZHovSHM #poll #appor https://t.co/C1gpfQ5KQm Feb 21, 2017 1 #poll #appor