I find the scale of the victory somewhat astonishing.

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15. policy happened to be the main concern of those 'demographics'

Women were concerned about pregnancy rights and access to the medical care and insurance coverage that Romney promised to eliminate. In fact, their 'war on women' was definitely threatening to several initiatives and existing benefits and rights.

Latino voters had to defend their policy ground, as well; on issues like immigration and other rights that they wanted to preserve, like access to medical care, schooling, drivers licenses for undocumented immigrants, etc.

Youth were defending the president's initiatives on college loan repayment, availability of college assistance, access to health insurance through their parent's policies . . .

African Americans voted on a myriad of these and other concerns and community needs that Romney threatened.

So, it's a curious notion to view these 'demographics' apart from the very issues that related to them; policy and initiatives which were under assault from Romney in his bid for the presidency.