It's the eight-legged discovery of the millennium! An endangered species of spider not seen in more than three decades unexpectedly appeared in Northwest San Antonio two weeks ago. Biologists and science buffs, rejoice. There's just one downside if you're an area commuter: The spider, no bigger than a dime, showed up in the middle of a $15.1 million highway underpass project on Texas 151 at Loop 1604. And in this particular case of nature vs. man-made road, the arachnid wins. The highway project is on hold indefinitely. SNIP . . . No other spiders have been spotted in the hole...