claim: John S. McCain Jr. graduated in 1931 and has a fan base.
evidence: DoubleSpace is a disk compression utility supplied with MS-DOS starting from version 6.0 .. DoubleSpace. DoubleSpace. Doublespace may also refer to  :. Double spacing , the inclusion of a full line of space between each line of text. Double spacing. Double spacing. Double spacing at the end of sentences , a typographical convention. Double spacing. Double spacing. Double spacing at the end of sentences. Double spacing at the end of sentences