But it is not just the DPJ's Mr Ozawa who will be calling for a snap general election, which the LDP is not bound to call until 2009.

ECONOMIST: Japan

This is not simply a friendly call, but bound up with the fact that 27 March is the final day of Romania's population census - the first since 1992.

BBC: Hungarians unwanted in Romania census

And because tax-exempt organizations are not bound by the federal do-not call list, the firms were able to randomly call consumers, pitching their services under the guise of a non-profit counseling service.

NPR: Credit-Counseling Firms Lose Tax-Exempt Status

So the strike price of the call you sell is the upper bound on your potential gain.

WSJ: Stocks Are Riskier Than You Think