Capitol Hill Republicans are gearing up for hearings next week on the botched rollout of Obamacare — and the White House said on Saturday that about 476,000 health insurance applications have been filed through the new exchanges. **SNIP** The officials did not want to be cited by name and would not discuss the health insurance rollout unless they were granted anonymity, the AP reported. Since going online on Oct. 1, the main Obamcare exchange, Healthcare.gov, has been marred by technical glitches and cost overruns — leading technology specialists to conclude that the company hired to build the site, CGI, was...