Fibromyalgia is a chronic illness that causes numerous symptoms, including widespread pain, intense fatigue, and muscle weakness. Few effective treatments are available to people with fibromyalgia, contributing to the great frustration caused by the illness.
A study conducted overnight found liberal-leaning pollster Public Policy Polling was the most accurate predictor of the 2012 presidential election.
This neatly ties in with the model for voter intention, so the simplest way of dealing with the polls is to say that the poll result equals the corresponding voter intention. Thus, if a national poll on 23 October says that Obama would win 53% of the vote, then that is the national voting intention.