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Some photos on Twitter ended Anthony Weiner's congressional career. The latest online image was not quite as damaging. Weiner has launched his campaign to be mayor of New York City. A gorgeous city skyline showed up on his homepage. But it wasn't of New York. It was Pittsburgh's skyline.Read More

Fracking is a way of bringing up natural gas by pumping water and chemicals into the ground. Germany's powerful beer industry is worried that fracking would pollute groundwater.Read More

There is some political willingness, but because China is highly decentralized politically, the Communist Party has only limited influence over provincial governments and how they regulate their dirty factories. The powerful state-owned oil companies have also resisted pressure to produce cleaner-burning fuel.Read More

In a key test of the federal health law's ability to draw competitive bids from health insurance companies, California has unveiled plans and prices that will be available next year to millions of residents shopping for individual coverage on its new insurance marketplace.Read More

The U.S. stock market indices are up 15 percent so far this year. Renee Montagne talks to David Wessel, economics editor of The Wall Street Journal, about the week in stocks. What's behind the broader rally this year, and why did things get rocky this week?Read More