Her true color

I read history nut (http://www.historynut.info/eleanorroosevelt/page10.html) this paragraph

... Another example of Madame’s intimidation occurred when FDR asked her what she would do with John Lewis, a labor leader threatening a coal-miners strike. Eleanor Roosevelt remembered that Madame “never said a word, but the beautiful, small hand came up very quietly and slid across her throat - a most expressive gesture.”(55) Such a gesture surely began Eleanor Roosevelt’s questioning of her initial beliefs about Madame Chiang Kai-shek.