Commercial and Recreational Fishing Driving Sharks to Extinction

A few "Shark Week" reality bites:

Sharks, which predate the dinosaurs, have roamed the world's oceans for hundreds of millions of years. But commercial and recreational fishing, which kill more than 100
million sharks a year, are now driving this iconic species to extinction.

Sometimes sharks are the target and sometimes they die as "bycatch" in commercial fishing operations when they are