Arnold Schwarzenegger has been outspoken about climate-change activism in recent years -- but the actor and ex-governor reportedly can be seen driving a "tank" while running errands. The "Terminator" was seen driving a military-style vehicle to Brentwood Country Mart in Santa Monica, Calif., and the 72-year-old was "having a bit of trouble getting back into his Pinzgauer all-terrain vehicle," Page Six reported Tuesday.