California's proposed billionaire tax: How does it add up?
California voters will decide whether to adopt Proposition 40, which would impose a new tax on billionaires' wealth. "Sunday Morning" examines whether the measure would deliver the benefits its backers promise — and why some progressives oppose it.

<p>California voters will decide whether to adopt Proposition 40, which would impose a new tax on billionaires' wealth. "Sunday Morning" examines whether the measure would deliver the benefits its backers promise — and why some progressives oppose it.</p>