Suzette Davenport calls for prison terms for using a computer while driving . Smartphones mean it is ' effectively using a computer on your lap ' . tougher sanctions can be unpopular with voters before election . Tory roads minister Robert Goodwill also claim election is to blame . But Lib leader Nick Clegg repeatedly 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 '