Maclean's View from Parliament Hill: Stephen Harper's Senate troubles

Video: Paul Wells, John Geddes and Michael Petrou make sense of the day's news

John Geddes, Paul Wells and Michael Petrou consider the news of the day:

Today’s questions:

1. How important are Stephen Harper’s Senate troubles?

2. How does this week’s news colour Harper’s Senate-reform plans?

3. What is the significance of today’s street protests in Tunisia?