The culture war is back

One unintended consequence of the improving economy: The culture war is back.

Last night, former Pennsylvania senator Rick Santorum proved that social issues can still pack a punch.

For months, the Republican presidential candidates have hammered away on the economy — and only the economy — as they crisscrossed the campaign trail. But over the past few days, longtime social issues -- contraception, abortion and gay marriage -- have taken the stage in the campaign.