I wouldn't be able to identify any particular success stories offhand. Certainly it is an initiative, it's a goal. Given the complexity of carrying on business today, there are two issues: one is getting the tax policy right and the other is tax administration. Sometimes, unfortunately, getting the policy right does require introducing some complexity. Tax simplification is good overall, but if it's a choice between getting the policy right and getting simplification, I'll vote for the policy.
On October 27th, 2014. See this statement in context.