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.

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.

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.

David Greene talks to filmmaker Alex Gibney about the new documentary We Steal Secrets: The Story of WikiLeaks. In 2006, Julian Assange launched WikiLeaks and encouraged anyone in the world to pass on information that might expose government secrets.

Amazon is piloting 14 possible shows for its streaming video service. The audience will vote on which shows it likes best. TV critic Eric Deggans says the process and the shows would like to be breaking ground for a new media — but they aren't.

The Iranian presidential election is just weeks away, and voters are faced with a very narrow range of pro-regime candidates to choose from. All the high-profile or independent candidates have been eliminated by the Guardian Council. One man considered unfit to run has already held the post of president.

The collapse sent people and vehicles into the water Thursday night. Authorities say there were no fatalities. The bridge, about an hour north of Seattle, lost its northernmost span — taking out all lanes in both directions.

A.G. Lafley will replace Bob McDonald immediately. Procter & Gamble is behind names like Crest toothpaste and Tide laundry detergent. The 175-year-old company has been struggling to grow in emerging markets.

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.

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?