Cash-strapped states are targeting Internet merchants. Several are considering bills that would require merchants to collect sales taxes on digital downloads. Under a Supreme Court ruling, states can only require the merchants to collect the taxes online if they have a bricks-and-mortar presence in the state. In Minnesota, for example, a bill being considered by the Legislature would add a sales tax to downloads from iTunes and WalMart.

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Listen The first of two twin robots sent to Mars by NASA is due to land tomorrow night. The second is scheduled to reach Mars three weeks later. They’ll spend three months roaming up to several hundred miles on Mars, analyzing rocks and soil, and looking for evidence of water. While the Mars rovers are Read more