The prehistoric-looking alligator gar was once driven out of its native waters, but recent reports are touting the top level predator as a possible solution to the influx of Asian carp that are devastating local fish stocks. But could reintroduction actually work?The Associated Press reports:But the once-reviled predator is now being seen as a valuable fish in its own right, and as a potential weapon against a more threatening intruder: the invasive Asian carp, which have swum almost unchecked toward the Great Lakes, with little more than an electric barrier to keep them at bay.Efforts are underway to reintroduce the alligator gar to the northern part of its former range.