Lincoln Star: TransCanada has pointed to the economic benefits that will accrue for Nebraska towns and counties along the path of its Keystone XL pipeline, but a check of retail sales figures for the 10 counties crossed by its first pipeline doesn't show a consistent economic boost. In fact, net taxable retail sales in eight of those counties declined in 2009, the prime construction year for Keystone 1 in Nebraska, compared with 2008. Sales rose in Seward County by less than 1 percent and by 1.1 percent in Cedar...