Light pollution is an ever-growing problem that is blocking out the night sky in major cities, obscuring all but the moon and a few bright stars and planets. Bob Parks, executive director of the International Dark Sky Association joins "CBS This Morning: Saturday" to discuss what can be done to combat this growing problem.
Online retailers are expected to enjoy record sales on the Monday after Thanksgiving. Forrester, the market research firm, predicts 167 million Americans will go bargain hunting on the web, spending $78.7 billion this holiday season. CNET senior editor Bridget Carey has more on all the Cyber Monday deals.