Peter Thiel says the United States no longer cares much about science or technology(Credit: Declan McCullagh/CNET)ASPEN, Colo.--One of the Internet's most influential investors and entrepreneurs is offering a dire prediction: the pace of technological change is stagnating.Peter Thiel, a co-founder of PayPal and early investor in Facebook, warned that--despite spectacular advances in computer-related fields over the last few decades--technological progress overall is actually "stalled out.""There's been insane progress in computers, Internet, and all things related to it," Thiel told a conferen...