John Avlon : Pew study confirms politics divides Americans more than race , class , age , gender . He says it 's bigotry , a learned behavior profoundly alienating Americans from each other . He says GOP support of social safety net , environment way down , Democrats about same . Comment: Split undermines core belief of e pluribus unum .
John Avlon : Pew study confirms politics divides Americans more than race , class , age , gender . He says it 's bigotry , a learned behavior profoundly alienating Americans from each other . He says GOP support of social safety net , environment way down , Democrats about same . Avlon : Split undermines core belief of e pluribus unum .