Here in Washington we're watching anxiously over the health of our newest baby. He or she is a tiny panda cub born two weeks ago at the National Zoo. At birth the cubs are pink and hairless — but the latest word is that Baby Whatsitsname is beginning to grow that panda-mask — the black and white rings around the eyes. And that's a good sign for pandas. If all goes well our next bulletin will be — boy or girl.