The White House is heralding the news that 2.2 million people have signed up through state and federal health care marketplaces as evidence that Obamacare, which started as a disaster, is finally working. On Monday, Health and Human Service Secretary Kathleen Sebelius said that December alone accounted for 1.8 million new enrollees. In December, seven times more people enrolled through the federal exchange, and adults aged 18 to 34 signed up at eight times the rate they did in the first two months of the law. “Americans are finding quality affordable coverage in the Marketplace, and best of all, because coverage began on New Year’s Day, the promise and hope of the Affordable Care Act is now a reality,” Sebelius said in a statement announcing the enrollment figures. “Our outreach efforts have ramped up, so whether it’s through public service announcements, events, our champions or other means, we are doing all we can to find, inform and enroll those who can benefit from the Marketplace.” But the numbers HHS released are misleading, and only tell part of the story. The White House is still lagging to meet self-imposed enrollment targets. And young people are not signing up at the pace …