Sovietskoye Semyonov, a local party secretary, stopped Kagonovich on the street. ""Comrade,"" he asked, ""why don't you come for ideological instruction every Tuesday and Thursday evening?"" ""I don't need it,"" said Kagonovich. ""Who was Karl Marx?"" asked Semyonov. ""I don't know."" ""Who was Vladimir Lenin?"" ""I don't know."" Semyonov went on and on. Finally Kagonovich interrupted, ""You ask me who is this and who is that. Let me ask you! Who is Rudolf Ulyanov?"" ""I don't know,"" replied th…