The magezine which Mary Thom was an editor of for 20 years had what sort of political agenda?
Mary Thom:  She was one of the founding editors of "Ms." magazine, and was an editor for the magazine for 20 years. Ms. (magazine): Ms. is an American liberal feminist magazine co-founded by second-wave feminists and sociopolitical activists Gloria Steinem and Dorothy Pitman Hughes.
liberal feminist