Hint - none is given. It was journalistic slight-of-hand. And FReepers are falling for it, folks who should know better. Heck, you are citing a RINO active in Planned Parenthood - a GOP-E pro-abort type who probably hates Santorum as much as Philly libs do - as if that unnamed source has any impartiality?
Gawd, man, step back from the abyss.