Fourth-generation cattleman Ty Parker looks into his childless future and wonders what will become of the ranch he’s worked so hard to preserve.  His answer might be a five-year-old boy abandoned on DCF’s doorstep, but only if the rancher convinces a jaded social worker that he’s good father material on a two-week cattle drive through Florida’s version of the Old West. Wait a minute.  “Florida’s version of the Old West?”  Did I hear that correctly?  Why yes, yes you did.  While Florida is better known for its orange groves and theme parks, as a setting for a cattle drive, it’s more fitting than a lot of people might guess. Cattle ranching has been a staple of Florida’s economy for a long, long time.  We can blame Ponce de Leon for that.  He brought seven head of Andalusian cows with him on his second visit in 1521.  And, despite the mosquitoes and the floods and the heat, people have been ranching here ever since. Did you know that today Florida is the third-largest beef-producing state east of the Mississippi?  Or that 1.1 million head of cattle graze its pastures?  We use term “Florida Cracker” when we’re talking about someone who was…