• Obama has overhauled the food safety system
• Advanced women's rights in the work place
• Ended Don't Ask, Don't Tell (DADT) in our military
• Stopped defending DOMA in court.
• Passed the Hate Crimes bill.
• Appointed two pro-choice women to the Supreme Court.
• Expanded access to medical care and provided subsidies for people who can't afford it.
• Expanded the Children's Health Insurance Program (CHIP)
• Fixed the preexisting conditions travesty [and rescissions] in health insurance.
• Invested in clean energy.
• Overhauled the credit card industry, making it much more consumer-friendly.
• While Dodd-Frank bill was weak in many respects, it was still an extremely worthwhile start at re-regulating the financial sector.
• He created a Elizabeth Warren's dream agency: The Consumer Financial Protection Bureau.
• He's done a lot for veterans
• He got help for people whose health was injured during the clean-up after the 9/11 attacks.

None of these things were priorities for Republicans. They actively opposed, directly or indirectly through obstruction, every single item on this list. In fact, they succeeded in killing a Cap & Trade bill in the Senate after it had passed through the House.

All of these things are improvements that would not have occurred under a McCain-Palin administration. Moreover, a McCain-Palin administration would have moved in the other direction on most of these issues, or come up with even worse compromises.