CAMPAIGNING for South Viet Nam's October elections is not supposed to begin until September. But last week the politicking was under way in earnest. In near-simultaneous attacks, President Nguyen Van Thieu's two chief rivals, feisty Vice President Nguyen Cao Ky and phlegmatic retired Four-Star General Duong Van ("Big") Minh, both charged that the election itself is being shamelessly rigged.
Ky's salvo was fired in the form of an open letter to the President. Announcing a formal break with Thieua somewhat superfluous gesture since the two have been coolly ignoring one another for monthsKy...