Long before Wikileaks and social media, the journalist Drew Pearson exposed to public view information that public officials tried to keep hidden. A self-professed "keyhole peeper", Pearson devoted himself to revealing what politicians were doing behind closed doors. From 1932 to 1969, his daily "Washington Merry-Go-Round" column and weekly radio and TV commentary broke secrets, revealed classified information, and passed along rumors based on sources...