We're sitting here watching Robert Gibbs' White House briefing. And there is a long string of questions about whether Obama can really working in a bipartisan manner if no Republicans are saying nice things about the stimulus bill or voting for the mark-ups out of committee. And Chuck Todd just asked whether Obama would veto a stimulus bill that came to his desk that hadn't gotten Republican support.

That would be quite a moment.

Late Update: Obama himself appears to have a pretty succinct response.