Brad Keselowski wants NASCAR to explain the limits on the ``boys, have at it'' policy series officials are applying this season to self-policing between drivers.
Carl Edwards is personable and polite, always approachable. When he talks on camera, he makes sure to take his sunglasses off so the audience can see him clearly.
An extra team will be selected as a standby for the next two Formula One championships in case there is an unexpected vacancy on the grid at the start of the season.
