Viral Photo of Great White Shark Stirs Debate Over Cages & Baiting

A schoolteacher's dramatic photo of a great white shark has gone viral, inspiring a lively Internet debate about whether it's ethical to bait sharks, many of which are threatened species, so that tourists can see them up close.The buzz-worthy photo, which shows the shark lunging for fish bait, looks like a frame from a Steven Spielberg movie.