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When I heard about the search warrant for Senator Burr's cell phone, my first thought was' speech or debate clause,' in the case of the FBI's Saturday night raid on Congressman Jefferson's office in the Rayburn House Office Building, Rayburn House had the look and feel of an invasion of Congressional sacred space. And on a bipartisan basis, Congress raised holy hell. Showing up at a Senator's personal residence and politely taking possession of a cell phone ? Not the same vibe.