Sentence:  The "[Washington] Post's" proprietor through those turbulent [Watergate] <WSD>days</WSD>, Katharine Graham, held a double place in Washington's hierarchy: at once regal Georgetown hostess and scrappy newshound, ready to hold the establishment to account. That is a very American position. 
Meaning of the word marked with <WSD> tags:  A particular time or period of vague extent.