Poll Controversy

As President Obama and congressional Democrats have surged in polls, Republicans are increasingly arguing that the surveys are skewed — and some are going so far as to accuse pollsters of purposely trying to demoralize GOP voters.

With the presidential election just weeks away, each day brings an onslaught of new polls. Experts admit the results aren't always uniform because no two samples are ever alike, and there are multiple methodologies used to interpret the results.