Is David Cameron up to the job of Prime Minister?

The general election is just two weeks away. Will Scotland return a record number of SNP MPs to Westminster and what would that mean for the rest of the UK and the other political parties? As the Scottish campaign enters its final phase it feels in many ways to be a rerun of last year’s referendum. Jackie Kemp considers the performance of the Prime Minister who almost lost the Union and asks if he is really up to the job.