Round-Up: Residents look to buy out mineral rights on Baca NWR; Postal workers to rally; CO GOP move 2012 caucus

Citizens groups that had sued to block drilling on the Baca National Wildlife Refuge in southern Colorado say they are now focusing on efforts to buy out a company's rights to the minerals there...Postal workers plan to rally across the country tomorrow, including here in Colorado...and, a plan by Colorado Republicans to move up their 2012 presidential caucuses to the day after the Iowa caucus has won final approval.