This week in Barron's: Kraft Foods has plans to split it's U.S. grocery business from its fast growing global snacks business; Ireland-based bio-tech company has new diabetes testing instrument that is faster and more accurate and easy to use; With the economy so bad for so long more companies are looking for ways to modernize their offices and make more efficient use of their spaces; As the leader of the pack for athletic footwear, Nike will throw another hat into the ring of innovation with the new Lebron sneakers that are almost as high-tech as a smartphone.