Despite the challenges facing pollsters, including declines in landline telephone penetration and in response rates, polling firms generally did a good job of calling the presidential election.
National polls just ahead of the election showed President Barack Obama holding a slim lead, and he was ahead by 2.2 percentage points in the ongoing national popular-vote count on Wednesday morning. …
And state polls showed Mr. Obama winning in most swing states, which he did to clinch an electoral-college victory over Republican nominee Mitt Romney by early Wednesday morning. [cont.]
Carl Bialik, Wall Street Journal