Nate Cohn

Nate Cohn @Nate_Cohn

Morning Consult says they do 5k interviews a day: that's 14 million from them alone, and these online polls are all drawing off of the same pools of respondents. One could argue that the pool of online poll takers, while big, may not be big enough to withstand this — PolitiTweet.org

Nate Cohn @Nate_Cohn

Of course, the online folks could reasonably counter that it makes sense that variance would decline as voters see more of the president. But it's a theory — PolitiTweet.org