He can drive any truck named Tonka BY DAVE BARRY (This classic Dave Barry column was originally published on June 13, 1999.) As a man, I believe that, every now and then, a man should do something manly. So when I got invited to the North Texas Earthmoving Field Day, my manly reaction was: ``HECK yes.'' The North Texas Earthmoving Field Day is a very manly annual event organized by the Texas Engineering Extension Service (TEEX), which is a member of the Texas A&M University System. The Earthmoving Field Day is a massive gathering of big, studly machines of the...