When the AIDS epidemic broke, because I happened to be a science nerd and knew a lot about viruses and a lot about that virus at the time, I felt a moral obligation to go out and try to stem the fear and get out and explain to people what the disease was and how it worked.
Voting is the most precious right of every citizen, and we have a moral obligation to ensure the integrity of our voting process.
Those who have prospered and profited from life's lottery have a moral obligation to share their good fortune.
We as a Congress have a moral obligation to bring justice to the families of these victims. Furthermore, as a society based on laws, we have a responsibility to ensure that criminals don't go unpunished.
We have a responsibility as a state to protect our most vulnerable citizens: our children, seniors, people with disabilities. That is our moral obligation. But there is an economic justification too - we all pay when the basic needs of our citizens are unmet.
Americans are blessed with great plenty; we are a generous people and we have a moral obligation to assist those who are suffering from poverty, disease, war and famine.
We not only have a legal obligation to honor our commitments, we have a moral obligation to provide the coverage we promised to provide to these people.
If a policy is wrongheaded, feckless and corrupt, I take it personally and consider it a moral obligation to sound off and not shut up until it's fixed.
If you know something is morally reprehensible, then it is your moral obligation to stop it as soon as possible.
I believe that the United States has a moral obligation to stand up for those citizens of the world who cannot stand up for themselves, and I am proud to have authored the bill signed into law today that continues to put significant pressure on the brutal Burmese military junta.