It's the stuff of woodsy nightmares; a product meant to protect wilderness trekkers from ravenous beasts that turns out to attract them. An Alaskan researcher says bears in that state love pepper spray. The canned sprays are intended as a deterrent to charging bears. But some people use the product to spray a pepper residue on tents and packs, intending to keep bears away. And that, he says, might just draw the bears in. Minnesota Public Radio's Bob Kelleher reports.