THE CANFIELD DECISION
by SPIRO T. AGNEW
344 pages. Playboy Press. $8.95.
In the age of Roman gravitas, public men in disgrace fell upon their swords. Today they fall upon their pens. Such impalings have been especially popular and profitable for the resigned, the indicted and the convicted of the Nixon Administration. Publishers were quick to confer gilt by association upon men like John Dean, Jeb Stuart Magruder and Charles Colson. Next to come is John Ehrlichman, who dropped out in some Paraguay of the mind to write a novel whose chief character is...