The GOP should remove her and use the process as an opportunity to detail the very obvious case for why.
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Never going to happen. They sleepwalk through every opportunity. Action and results are just not what Republicans do. Expecting some miraculous turnaround is an exercise in wishful thinking and futility.
The process of government has become finding a problem, or creating a problem where none existed, then applying a much ballyhooed fix which cannot work. Next, finding the problem still exists, public support is called for to fix the problem (aka elections), which when the new fixes are duly applied, they somehow fail to deliver, triggering a new round of problem ‘solving’. And so on ... A fixed problem is an political opportunity lost.
McCarthy is simply doing the job all good bureaucrats attempt in their illustrious and collective careers. That she is attempting to require that the Earth’s atmosphere be rid of all trace gasses is a minor quibble - once achieved, a lightening flash or any spark will solve the entire problem of human pollution ...