The Post reported yet more fishiness from early in the summer: a call to McGovern financiers from someone impersonating a campaign staffer asking for information on a donor; a request from someone claiming to be a Taiwanese diplomat for McGovern’s travel schedule; a call to Walter Cronkite from someone impersonating Frank Mankiewicz. The Post reported that this Donald Segretti had a liaison in the White House (someone named Dwight Chapin). systematic dirty campaign tricks