>> another secret surprise. >> it is vexing, i think, to all of us. today, darrell issa's house committee on oversight and government reform called in the man whom president obama sent in to fix the irs, and finally, in the testimony of acting commissioner david werfel, the truth came out, the smoking gun was found and we now have proof that federal law was violated. >> i know the regulation now is more than 50 years old. but do you know why treasury changed it from exclusive to primary? >> i do not. >> you do not. >> and is there any reason why you think we should not use the exclusive test...