A southern farmer got in his pickup and drove several miles to a neighboring farm and knocked on the farmhouse door. A young boy, about 12, opened the door. ""Is yer pa home?"" he asked. ""No sir, he sure ain't,"" the boy replied. ""He went to town."" ""Well,"" said the farmer. ""Is yer ma home?"" ""No, she ain't here either. She went to town with pa."" ""Well, then, how about yer brother, Joe, is he here?"" ""No sir, he went with pa and ma."" The farmer stood there for a few minutes, shifting f…