Oops! Has the Resources Minister, Martin Ferguson, just let the tax-cat out of the bag by admitting the obvious, but previously denied fact, that "one size does not fit all" in the mining super-tax debate?

Oops! Has the Resources Minister, Martin Ferguson, just let the tax-cat out of the bag by admitting the obvious, but previously denied fact, that "one size does not fit all" in the mining super-tax debate?