NO ONE WILL CONFUSE the diminutive, bald, and pudgy Cruz Bustamante with Ashton Kutcher (Cosmo Spacely, George Jetson’s employer, is a better likeness). But if California’s lieutenant governor loses next month’s recall vote, it may be because his candidacy reminded too many viewers of “That 70’s Show.” Bustamante, the only prominent Democrat on the second half of the recall ballot, hasn’t been able to shut down the media’s interest in his involvement with the Chicano Student Movement of Aztlan (MEChA) while he attended Fresno State back in the mid-1970s. MEChA, which advocates a separate Chicano nation, goes by the slogan: “For the race everything. For those outside the race, nothing.”