The gold envelopes were stuffed with wads of cash and couriered via UPS. Inside, each $520 to $530 bundle of bills was paper-clipped to a sticky note bearing the birthdate of a student seeking a commercial driver’s license in the state of Washington. An upstart commercial driving academy with branches in Washington and Oregon was allegedly bribing an independent driving tester to obtain passing grades on exams for its unqualified students in Washington, according to state investigative records o