It's only a matter of time before we witness another Howard Dean Moment in the Democratic presidential race -- but not, I predict, from any of the Democratic presidential candidates. Skulking in the campaign background is a ticking time bombette with a volatile temper and acid tongue who makes Dean look like Mr. Rogers on Prozac. She's the wife of front-runner Sen. John Kerry, Teresa Heinz. Formerly known as Maria Teresa Thierstein Simoes-Ferreira, the hot-headed widow of the late Pennsylvania GOP Sen. John Heinz is self-aggrandizingly known among her wealthy liberal friends and fellow environmental radicals as "Saint Teresa" (and...