How F1 can avoid a repeat of the Vettel Canada controversy

As the debate over Sebastian Vettel's Canadian GP penalty continues, we switch focus from the incident itself to what F1 could do to avoid similar situations occurring in the future. Edd Straw, Jonathan Noble and Scott Mitchell discuss the alternatives that could be available to F1's decision makers, the viability of making any changes, and how likely it is that the rule makers would be able to swiftly enforce a change to the regulations