Or maybe became conservative due to adverse reaction to liberal indoctrination. I switched because of that, and Crown Heights pogrom, and David Dinkins, and Louis Farrakhan, and George HW Bush Sr., and Ronald Reagan being vindicated instead of blowing up the world and causing another Depression (in that order:-), etc., etc., etc.
It's certainly possible. My guess is that she's a fan of big government regardless her true party affiliation.