Harkin was one of three Senators who voted for the bill. The other two were Frist and Santorum. No other senators voted.
If there were widespread dissension within either the Dem. or Rep. caucus about this issue, it would have been evident.
When even someone like Barbara Boxer realizes that a wrong is being done in this case-or at least, doesn't vocalize her support for Judge Greer's decision-it's apparent that we've reached one of those historical milestones; this is an issue that transcends petty party/ideological divisions and cuts the core of our very identity as a nation.