Only Republican control of both houses of Congress can repeal, or even seriously revise, ObamaCare. And only Republican control of both houses of Congress plus the White House can begin to reverse the many lawless, reckless and dangerous policies of the Obama administration, at home and overseas.
This year's elections and the 2016 presidential election may be among the most important elections in the history of this country, and can determine what kind of country this will be for years -- and even generations -- to come.
Those Republicans who seem ready to jeopardize their own party's chances of winning these two crucial elections by following a rule-or-ruin fight against fellow Republicans may claim to be following their ideals. But headstrong self-righteousness is not idealism, and it is seldom a way to advance any cause.
Politics, like war, is a question of power. If you don't have power, you can make fiery speeches or even conduct attention-getting filibusters, but that does not fundamentally change anything. And it has accomplished nothing in this case.
No doubt there can be legitimate differences of opinion about tactics and strategy on particular issues. But, if you don't have power, these are just empty clashes over debating points.
Certainly there has been much for which the Republican leadership has deserved to be criticized over the years -- and this column has made such criticisms for decades. But, when the question is whether Mitch McConnell is preferable to Harry Reid as Majority Leader in the Senate, that is not even a close call.
If the rule-or-ruin faction among Republicans ends up giving the Democrats another Senate majority under Harry Reid, not only the Republican Party but the entire nation, and generations yet unborn, will end up paying the price.