good evening. new reporting tonight on when the public will get to see public impeachment hearings on who may testify as well as the drafting of articles of impeachment against the president. there are new signs tonight his defenders still have few good answers on the actual substance of the ukraine affair, even though behind the scenes they are reportedly troubled by it. cnn's jamie gangel is citing republican sources saying senior diplomat william taylor's testimony was a game changer that's still reverberating. privately, that is. publicly for the second straight day republicans for the most part avoid the directly confronting or discussing the evidence he gave, instead objected the to the way the hearings are being conducted. anything it seems but the actual details from this career, nonpartisan civil servant and west point graduate and vietnam war vet who detailed with notes