'Tentative date' of 15 May agreed for Mueller to testify before Congress

Democratic congressman says: ‘We hope that the special counsel will appear’ while Trump tweets: ‘Bob Mueller should not testify’Special counsel Robert Mueller. Photograph: Tasos Katopodis/Getty ImagesRobert Mueller may be one step closer to being questioned in public on Capitol Hill, with a representative of the special counsel saying he has agreed to testify before Congress, according to a Democratic congressman on Sunday.Rhode Island congressional Representative David C