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President Obama is taking back-to-back foreign trips that represent a pivot from new foreign policy challenges to old ones. He is currently on a 10-day tour of developing democracies in Asia. Next week, he attends a NATO summit in Portugal, where the challenge is reinvention and relevance.

This past week, the Justice Department asked the Internet company Google to turn over its search records, which prosecutors say would help them defend a controversial child pornography law. Google refused.

Mayoral candidate Carl DeMaio said he met with U-T owner Doug Manchester only once. His personal calendar shows otherwise.

Google has launched a new version of its search engine Web site in China. The site censors material about Tibet, human rights and other topics considered sensitive by the Chinese government. The move comes shortly after the company was praised for not complying with a U.S. federal subpoena for its records.

Italy's recent elections left the country in political gridlock. Italian columnist Beppe Severgnini breaks down the election results and austerity measures, and shares what Italians are talking about in a country that some are calling "ungovernable."

The Trend — its spotting, its tracking, its examination — has become omnipresent in contemporary culture. And if there is one thing that watching trends has taught us, it's that at precisely the point at which something becomes ubiquitous, that something is no longer a trend.

Microsoft has plenty of reasons to want to acquire online giant Yahoo — 80 billion reasons, in fact. Online ad revenues are expected to double by 2010, reaching $80 billion, and Microsoft is eager to get into the game — if for no other reason than to slow rival Google's historic growth.

Internet search engine Google is drawing praise from civil libertarians for its refusal to hand over records about the search requests of millions of its users to federal prosecutors. Government lawyers say they need the information to defend a law meant to protect children from online pornography.

Airs Saturday, October 12, 2013 at 4 p.m. on KPBS TV

The company has evolved from an Internet directory to a Web portal to a content destination, but its relevance is slipping. Though still profitable, Yahoo fired its CEO this week; whoever takes over needs to be able to navigate the changing Internet landscape, experts say.