Already committed to enter the Minnesota presidential primary next March 20, Adlai Stevenson last week announced plans to run in at least four more states: Illinois on April 10, Pennsylvania on April 24, Florida on May 29, and California on June 5. Said Stevenson: "These primaries were selected to provide for expressions of preference on a regional basis in the East, Midwest, South and West."
But Stevenson took more than the compass into account in picking his spots: he also made shrewd use of the political barometer. His choice of primaries offers a minimum of risk, yet gives him a chance...