WASHINGTON — The Secret Service said Monday it will investigate the hacking of Fox's political Twitter account over updates claiming President Barack Obama had been assassinated.

Secret Service spokesman George Ogilvie said the law enforcement agency whose job it is to protect the president will conduct a probe of the false postings and that "we will conduct the appropriate follow-up."

Hackers broke into the FoxNewsPolitics account early Monday, leaving a series of six tweets reporting that Obama had been shot to death in Iowa and the shooter was unknown.

There have been many attempts to define leadership in the workplace between a boss and his/her reports. Most define it by using one or more characteristics of a leader or something that a leader does such as providing a vision, getting things done through people or challenging the status quo. Those are not really definitions, only descriptions of what a leader might be doing. What a particular leader is doing does not provide us an understanding of what leadership is, only of what that leader believes is appropriate to do in order to lead.

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A federal judge ruled against electronics company Samsung in a court case this week, saying the Korean tech giant is not allowed to see samples of future iPads and iPhones.

Teen mobile phone usage is way up, and the younger consumers are hungry for new wireless capabilities. Some device makers are finally starting to catch on, writes Business 2.0's Michal Lev-Ram.

Forget checking email on your cell phone - that's soo 2004. Today's teens are doing much more with their mobile devices. Speed texting with their eyes closed is only the beginning, and the technology can barely keep up with their rising demand for new features.

That's exactly why adolescent consumers are a desirable demographic for phone makers and carriers hungry for data revenues - $5 a month charges for unlimited messaging and $1 song downloads, to name just a few examples - as the cost of a call per minute continues to decline.

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