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Siri is in a sorry state in the US: iPhone 4S owners attempting to chat with the voice-controlled personal assistant are finding it’s not in a talkative mood. Siri is the voice-activated assistant in the iPhone 4S, which usually greets questions and commands with a helpful web search, a cheery action or a pithy remark. But US users have found …

Sprint CEO Dan Hesse speaks to his leadership team at an investor meeting last month. Roger Cheng/CNET Sprint Nextel inched closer to potentially providing funding to cash-strapped Clearwire in its latest debt offering. The company said today that it plans to offer a private placement of debt due in 2018 and 2021. The uses include general expenses, network upgrades, and …