Obamacare Enrollment Now Up to 4 Million

The kind of data everybody craves—about exactly how big a difference Obamacare is making in the lives of ordinary people—is not going to be available for some time. Until then, assessments of Obamacare’s progress will inevitably involve a lot of guesswork, based in part on imperfect research from organizations like Gallup (which recently said the percentage of uninsured Americans was dropping significantly) and McKinsey (which recently said relatively few people signing up for coverage were previously uninsured).