Senior Democratic senator sees the implementation of Obamacare as "a huge train wreck."

"'I just see a huge train wreck coming down,' Senate Finance Committee Chairman Max Baucus, D-Mont., told Obama’s health care chief during a routine budget hearing that suddenly turned tense."

Baucus is the first top Democrat to publicly voice fears about the rollout of the new health care law.... Normally low-key and supportive, Baucus challenged Health and Human Services Secretary Kathleen Sebelius at Wednesday’s hearing.

He said he’s “very concerned” that new health insurance marketplaces for consumers and small businesses will not open on time in every state, and that if they do, they might just flop because residents don’t have the information they need to make choices.

“The administration’s public information campaign on the benefits of the Affordable Care Act deserves a failing grade,” he told Sebelius. “You need to fix this.”...

At one point, as Sebelius tried to answer Baucus’ demand for facts and figures, the senator admonished: “You haven’t given me any data; you just give me concepts, frankly.”

ADDED: This must be the tip of an iceberg of anxiety among the Democrats, who are alone responsible for this law. For the first time, it crossed my mind that Democrats might decide to support repeal. It would be a huge admission of mistake — like denouncing a war you once supported — but at some point, going forward is even worse.