Focus on Politics for 5 September 2014
Arguments about tax policy gained momentum this week as political parties focused more strongly on policy differences. National is promising to release broad details about its tax cut plans next Monday but faces criticism there is not enough money for the proposal. At the same time the Labour Party leader, David Cunliffe, stumbled over the details of his party's capital gains tax policy, renewing National's attack on the plan. Here's our political editor Brent Edwards.