Editor Tom Kuntz and reporter Phil Kuntz. Their new book “The Sinatra Files: The Life of an American Icon Under Government Surveillance” (Three Rivers Press) excerpts and analyzes portions of the FBI’s massive file on Frank Sinatra. The file is 1,275 pages long and was begun in the mid 1940s and lasted until 1972. Tom Kuntz is the editor of “Word for Word,” a column in The New York Times Week in Review section. Phil Kuntz is a staff reporter for The Wall Street Journal.