Suzette Davenport calls for prison terms for using a phone while driving . Smartphones mean it is 'effectively using a computer on your lap ' Warns tougher sanctions would be unpopular with voters before election . Clegg roads minister Robert Goodwill denies claim election is to blame . But Lib Dem Nick Clegg backs calls for new laws to send a 'clear message '
Suzette Davenport calls for prison terms for using a phone while driving . Smartphones mean it is 'effectively using a computer on your lap ' Warns tougher sanctions would be unpopular with voters before election . Tory roads minister Robert Goodwill denies claim election is to blame . But Lib Dem Nick Clegg backs calls for new laws to send a 'clear message '