Hands-free cellphone use while driving won't make the roads safer, studies show. Why? Brain overload.

YOU KNOW the shot: Seen from above, the hero (or villain) is hurtling down the freeway, top down, one hand on the wheel and the other clutching a cellphone to his ear. It's Hollywood's image of how deals are made, dates are broken and gossip is shared, at 65 miles per hour.

By Melissa Healy

June 30, 2008