Searching for the holy grail of snake bite antidotes

Aired: 6/18/2014 | 0:07:55 | Clip
Although snake bites are rarely fatal in the United States, every year about 100,000 people die worldwide after being bitten by venomous snakes. A California doctor has developed a nasal spray treatment that may be able to help some snake bite victims halt paralysis before they reach a hospital. Special correspondent Spencer Michels has the story.