By Lindsay Beyerstein, Media Consortium Blogger

Progressives rejoiced when Senate Majority Leader Harry Reid announced this week that the final Senate health care bill would include a public option. The announcement was a major victory for left-wing Democrats.

Better yet, it would be a public option without a trigger. Earlier proposals called for a triggered public option which would only take effect if private insurers failed to bring down costs on their own. Under the opt-out compromise, the public option would come on line automatically (albeit not until 2013), but states would later have the option of quitting.

The jubilation was short-lived. Alex Koppelman of Salon explains: