In the US, it would need to be pretty controversial. As in, actually constituting criminal speech. Incitement to riot; that sort of thing.
(in the US) Absolutely not.
"Treason, felony, and breach of the peace."
Congressional staffers are people who work for the US Congress. Some congressional staffers work for individual members of Congress.
Members of Congress
They control congress.
No. Under law, he can only be "arrested" if he has committed treason, a felony, or a breach of the peace. For any other crime, he can only be arrested when he returns home from a session. As long as he stays in the Congressional chambers, he cannot be removed. Once Congress adjourns, he can be arrested and prosecuted on any charge.
Congressional Immunity What_is_congressional_immunity
There are no laws that state members of Congress can be arrested for shutting down the Government.
Members of Congress are paid out of the U.S. Treasury.American Government
The citizen-voter residents of their Congressional DIstrict.
speaches or debates
congressional leadership
Congressional caucus are members of a group in the United States Congress. They meet to pursue common legislative objectives under the rules of a chamber.