US existing home sales plunge 17.8% in April

The National Association of Realtors said Thursday that last month's decline pushed sales down to a seasonally adjusted annual rate of 4.33 million units, the slowest pace since September 2011.

On Your Side: OnStar tracking issues

The OnStar tracking system is designed to help you recover your vehicle if it's stolen. But what if the thieves can quickly disable it? One local truck owner said it happened to him and now he wants GM to step up.