Even before Paul Tsongas quit the show last week, an aide to Bill Clinton described the front runner's new focus in three words: "Bush, Bush, Bush." Clinton believes that a successful presidential candidate must view the primary- and general-election campaigns as a single play in two acts rather than as two one-act dramas; the sooner one can articulate the general campaign's themes the better. So if the schedule holds -- and perhaps as early as this week -- the nominee-presumptive will deliver a major foreign policy address.
Why foreign affairs and why now? With the anemic economy showing signs of recovery,...