IMHO Republicans generally run on issues without regard to constituencies and Democrats have historically run on cobbling together different subset constituencies, e.g, blacks, hispanics, single white women, etc with promise of largesse.I think we have reached a tipping point now where these constituencies have grown numerically and proportionately so that they can create permanent majorities for Dems going forward.Just look at the speakers on the DNC platform and you have insight into the mix of constituencies that will cobble their permanent majority. I think we are at a point of balance now and Romney has a chance of winning but 4 years from now we may have reached the permanent Dem majority point at which time we will economically implode.
Ironic things once we implode none of the dem constitency will get anymore money.