Frank Rich, for example, highlights a recent Pew survey that suggests that nearly half of independents are actually Democrats (21%) or Republicans (26%) who just shy away from the label, while another 20% are more populist, skeptical Democrats ("Doubting Dems"), 16% are "disaffected" voters with a highly negative view of government, and 17% are "disengaged" altogether.
CNN: Is America becoming a house divided against itself?