JILL STEINWho is she? A Massachusetts resident and physician, she is a candidate of nearly Stassen-like frequency, having run for president  in 2012 and a slew of other offices before that. Is she running? Yes. Stein announced in June 2015 that she would again seek the nomination of the Green Party, which she won in 2012. The Green Party will formally select its candidate in Houston, this year at