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One of the goals of the upcoming U.N. Climate Change conference in Bali is to shape a tougher follow-up treaty to the Kyoto Protocol set to expire in 2012. But Jeremy Hobson reports the U.S. should set an example first.

As drinking water becomes more precious, some cities are looking at the sewers in a new way. Sarah Gardner reports on new efforts to recycle wastewater -- and get people more enthused about the toilet-to-tap scenario.

French media conglomerate Vivendi and Guitar Hero maker Activision are joining forces to create Activision Blizzard, the world's largest independent video game company. Megan Williams has more on the deal.

Out of a job for eight months after racist comments on his show, shock jock Don Imus goes back to work today, hosting a program on ABC radio. Why is he being allowed back on the air? Ashley Milne-Tyte reports.

While Congress tries to adapt to changes to the alternative minimum tax, the IRS warns there will be a delay of tax refunds across the board. John Dimsdale reports why the AMT is holding up lawmakers.

A few years after NASDAQ's rocky start with an office in Shanghai, Chinese regulators are allowing the market to set up shop in Beijing. Bill Marcus reports this will help Nasdaq go farther with Chinese companies.

Despite having a pool of money known as a "superfund" to back it up, Citigroup managed to raise a much-needed $7.5 billion on its own. Fortune Magazine's Allan Sloan explores whether the bank needs a superfund at all.

My latest Star Tribune column....

It's no secret the dollar has been falling compared to other currencies this year, but will it impact you? Tess asks economics professor Catherine Mann.

Is it time for the government to step in to stop the housing crisis? Chris Farrell sets the story straight on an expected subprime interest rate freeze.