released, two former top aides to the president adding new denials to the chorus from other officials. gary cohn, trump's former chief economic adviser, who is portrayed snatching a letter from the president's desk in the oval office to protect the country saying today, this book does not accurately portray my experience at the white house. but cohn not saying what the book got wrong. and rob porter who left the west wing after a scandal of his own, saying in a statement, the suggestion that materials were stolen from the president's desk to prevent his signature misunderstands how the white house document review process works. woodward said he's not surprised or bothered by the string of denials. >> one key person who is in office called me and said, everyone knows what you've said here is true. it's 1,000% correct. and then this person has said some public things that contradict that. >> reporter: when asked about