Health and Human Services Secretary Sylvia Mathews Burwell insisted Monday that Obamacare is “clearly working,” trying to move past the rocky rollout of President Obama's signature health law by insisting that her agency was not concerned with fighting “last year's battles.” Burwell in a speech at George Washington University said that the verdict was in on Obama's signature domestic initiative. “The Affordable Care Act is clearly working,” the HHS chief said. “Healthcare is more affordable for families, businesses and for our economy as [a] whole. Coverage and services are more widely available to more people. Doctors and hospitals are delivering...