Even if this is a Democratic-only concern (which I don't think it is), this would be an easy one for a Senator in the minority to sell to the Chairman as a pers

Even if this is a Democratic-only concern (which I don't think it is), this would be an easy one for a Senator in the minority to sell to the Chairman as a personal favor. It would just be a subpoena to answer some questions; the Chairman wouldn't be signing up to actually do anything like sponsoring legislation.