"We need to be sure the federal government maintains its commitment and legal obligation to the cleanup of Hanford, " Inslee said.

CNN: STORY HIGHLIGHTS

Gays want to marry precisely because they see marriage as important: they want the symbolism that marriage brings, the extra sense of obligation and commitment, as well as the social recognition.

ECONOMIST: It rests on equality, liberty and even society

Again, that is -- that breaks their obligation and their commitment to the international community.

WHITEHOUSE: Press Briefings

As a nation, we'll pledge to fulfill our responsibilities to our veterans, because our commitment to our veterans is a sacred trust, and upholding that trust is a moral obligation.

WHITEHOUSE: President Signs Bill to Expand Veteran Benefits

Perhaps Krugman should sit down with a 75-year-old and ask her whether she thinks the government has an obligation to continue sending her a Social Security check every month or a commitment, under Medicare and Medicaid, to help cover her future healthcare bills.

FORBES: Krugman's Four Dangerous Fiscal Fables