Republicans are hoping to be able finally at long last to take health insurance away from millions of people. They’re wetting themselves with excitement, because it’s looking good!

Democratic leaders in the U.S. Congress on Monday demanded that lawmakers wait to find out the budgetary and healthcare impacts of a new, last-ditch legislative effort by Republicans to repeal Obamacare before voting on it.

In their long-running war on former President Barack Obama’s signature healthcare law, Senate Republicans are now proposing to replace it with a system that would give states money in block grants to run their own healthcare programs.

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The Congressional Budget Office, a non-partisan fiscal analysis unit of Congress, said Monday it will make a preliminary assessment of the bill’s impact next week. But it said it won’t be able to estimate the impact on the deficit or changes in insurance coverage or premiums for several weeks.

Which you would think would be a reason not to pass it now, but that would be silly, because the point is to pass it, not to worry about what the consequences would be. That’s grown-up politics.

Past Republican proposals to dismantle Obamacare have been hampered, in part, by CBO estimates that showed the bills would have left millions more Americans without health insurance.

Obama’s healthcare reform provided health benefits to 20 million Americans. Since its passage, Republicans have sought to undermine it.

Because they want those 20 million Americans to lose those health benefits. That’s how they roll.