Llano, Texas, is known for its fields of bluebonnets and its mesquite-smoked, mouth-watering barbecue (get there before noon or all you’ll get is the aroma). For many years, it also offered a unique tourist attraction that was worth the trip to Texas Hill Country.   When Barbara and I visited, we saw a local “family” from a huge, well-worn turnout on Highway 29. High in a pecan tree was an enormous nest of eagles, and from about 100 yards away we could easily see watch the eagles and eaglets....

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