Calling for a "new era of responsibility" in his inaugural address, President Barack Obama reminded us that there are no limits to "what free men and women can achieve." Indeed. America achieved greatness as the can-do society. This is, after all, the country of Thomas Paine and barn raisings, of Grange halls and Google. Other countries shared, at least in part, our political freedoms, but America had something different -- a belief in the power of each individual. President Obama's clarion call of self-determination -- "Yes We Can" -- hearkens back to the core of our culture.

But...