By Harris Meyer, Jessica Zigmond and Joseph Conn
Last week was a rough one for Obamacare, and this coming week may be no different.
Americans continued to struggle to sign up for coverage on the federal HealthCare.gov online marketplace serving 36 states, though there were reports that it got a little better. Some of the state-run exchanges were doing much better, though several struggled with problems as severe as the federal site. Insurers said the enrollment data they were getting from the federal exchange were often inaccurate and incomplete because of glitches in the electronic transmission forms.