We have given in to the politics of anger - the belief that riling up the base can make up for failed attempts to broaden the electorate. These are the spasms of a dying party. Anger and resentment and blaming groups of people for our problems might work politically in the short term, but it's a dangerous impulse in a pluralistic society, and we know from history that it's an impulse that, once acted upon, never ends well.