I know you may think of pears as a fall fruit, something to sing about on the first day of Christmas, or make into a compote for your winter pancakes.  You also may think of pears as a northern thing, something from a cold place, like Washington state, or the Hudson Valley.  Surely they must be trucked in to South Texas. Well, I certainly thought so.  Until someone handed me a bag of pears from a ranch in Lytle, TX.   Perfectly ripe, home-grown, sweet, delicious Texas pears.  In the middle of our drought plagued August of 103 degree days and dead grass.  (Only the cactus look healthy around here.)  But no, we have JUICY pears ripening, right under our noses. Texas is a place of…