The present debate hinges on whether these changes have been for the good, which addresses the third question about how the rich have responded.

ECONOMIST: Taxing the wealthy

But, given the majority of potential customers in markets like the UK are already using a smartphone, the big question is whether there is space for a third platform.

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The question is, will it be third time lucky for Jocky?

BBC: Return of Mr Dundee

This led to a third and more difficult problem, the question of who should pay for the health care program.

CNN: Commentary: Grateful Dead on health care

The question that has plagued Liberals for more than half a century is how a third party can break open a two-party system.

ECONOMIST: Bagehot