The "doughnut hole" is back.
So far, these groups haven't met their targets.
The change was made a little more than a month before open enrollment began.
Lack of marketing may be why, experts said.
Things are a bit different than they appear.
There may be some common ground with the White House.
Some think recent efforts smack of advertising.
The AMA has called for stronger state background checks.
Critics worry key protections will be undermined.