I believe the question was on Supreme Court cases other than Roe v. Wade, and Palin froze like a deer in the headlights.
She didn’t know McCain’s voting record on other reforms other than Fannie Freddie.
She could have said Brown v. Board of Ed., Bush v. Gore, Kelo v. New London, or almost any other case. But she didn't know any.
She mentioned Kelo with Cameron, I think it was the second case she cited.
What would have been the harm to bring up the DC handgun case?
The scariest just-barely-won 5-4 case ever?