I disagree totally. If they back down on the promises they made to voters for their own personal convenience, they've sold their souls and backed down on principle. It isn't about them, it's about representing constitutional conservative principles.
If they don't see that, they were never on our side to begin with. If they vote for Boehner they're worse than Democrats. With the dems, we know which side they're on.
You are confusing honor and integrity with the behavior of the current crop of politicians. It’s all about them, and for most of them, facing the wrath of Boehner is far more daunting than facing their constituents. Most of their constituents will neither know or care, they only have to deal with those crazy conservative zealots and in most districts, they are just a distraction.
However, nothing on this planet is worse than a Democrat.