not subtraction. that hard core dwindling base. that spells real trouble for republicans. this fall. and real trouble for donald trump in 2020. >> getting back to our top story. three sources tell donald trump he is pushing for an interview with robert mueller. >> good, he should. >> the "washington post" reports that special counsel robert mueller sent the white house a letter on monday offering to limit the questions in order to secure a presidential interview. according to "the post" mueller's team suggested that investigators would reduce the number of questions about potential obstruction of justice. they would ask in person and, instead, seek some answers in written form. the special counsel's office declined to comment. the legal team sought for months to narrow the questions about trump's actions in office and set conditions for an interview. the president's lawyer, rudy