Y.T. has been to some unusual places in her career. She has the visas of some three dozen countries laminated onto her chest. And on top of the real countries she has picked up and/or delivered to such charming little vacation spots as the Terminal Island Sacrifice Zone and the encampment in Griffith Park. But the weirdest job of all is this new one: someone wants her to deliver some stuff to the United States of America. Says so right there on the job order.