We rely on our brains to make rational decisions. Author Michael Lewis says maybe we shouldn't. The limits of the human brain.
City warns against celebratory gun shooting
The City of Phoenix is issuing its annual warning today against shooting guns into the air this holiday season.A city spokesman says it's a problem twice a year -- at New Year's and the Fourth of July. The spokesman says police can sometimes triangulate to find out where the shots were fired. But when bullets land, they occasionally hit people.