ABC News' Whit Johnson speaks with retired Black Hawk pilot and instructor Martin Gottholm about what may have led to the midair collision over the Potomac River. ABC News’ Whit Johnson speaks ...

Black boxes from the American Airlines plane were pulled from the Potomac River and is now in the hands of the NTSB for evaluation.

Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.

Storm Team4’s Amelia Draper says to expect a wintry mix and rain later this week.

Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.

Click the FOLLOW button to be the first to know about this artist's upcoming lots, sold lots, exhibitions and articles ...

Click the FOLLOW button to be the first to know about this artist's upcoming lots, sold lots, exhibitions and articles ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.