Dude, just don't bother. I'm sorry, but she will never rethink her position. It takes humility to question your own beliefs deeply ingrained by the education system and liberal pop culture. For a lot of people, humility is not in their lexicon. You could point to statistics, patterns, or even common sense observations, and she will use statistics that say "ACKTUALLY" from studies that are flawed at best or disingenuous at worse upon thorough review.