From NPR News in Washington, I'm Jack Speer.Weaker-than-expected job growth in Decemberis raising questions about whether the economy is as strong as previously thought.As NPR's John Ydstie explainslots of economists are actually skeptical of the government's December unemployment report accurately reflects what's happening.The government survey of employers found just 74,000 jobs were added to the economy in December,that's far below expectations and far below the trend of the past year.Moody's analytics chief economist Mark Zandi thinksthe December report is a statistical aberration."It doesn't represent reality.It's not consistent with any of the other economic data that we've got which shows a better economy."That data includes low first-time claims for unemployment, growing consumer optimism.Survey shows businesses anticipate hiring more workers and strengthening housing market.Many economists think December's job growth number will be revised upward in the coming month.John Ydstie , NPR News, Washington.The Obama administration has decided not to renew its contract with one of the major software vendors behind the failed launch of the new health insurance website.NPR's Scott Horsley reportsthe contract with CGI Federal will end next month.CGI Federal was the primary contractor hired to build the insurance website.And hundreds of the company's employees continue to work on the site even after a different contractor QSSI was put in charge of the project in late October.Despite major improvements since then,there are lingering concerns about the website's performance,