Since there is no named source for this statement it may just be disinformation spread by the media to discourage conservatives and boost Obama’s reelection chances.
It’s Romney’s team MO to attack Sarah with anonymous sources which they have done before so the burden of proof should be on Romney and his people to prove this wrong since they have used this tactic since 2008 in attacking and sabotaging Sarah even when she was on the ticket which we got legit reporters saying it was so