This is how a Govt can start abusing people and not have to follow the courts to ensure our rights.  Being able to pull anyone they want in to testify can be used to intimidate and harass people.  Not a good thing.

A little-noticed provision approved Tuesday by the U.S. House dramatically expands the powers of committee staff to haul private citizens and government officials to Capitol Hill to be questioned under oath — without any lawmakers present, in some cases.

Source: House GOP Gives Staff Broader New Powers to Grill Witnesses – Bloomberg