“We can't let John McCain take away our right to choose. We can't let him take us back,” says the ad.

Obama Airs Tough Abortion Ad In Swing States

“By his nomination of Gov. Palin, McCain has made his opposition to a woman’s right to decide a major campaign issue,” she said.

Palin On Abortion: I'd Oppose Even If My Own Daughter Was Raped

Palin Slashed Funds For Teen Mothers