![FILE - In this Oct. 28, 2013, file photo, former FBI Director Robert Mueller is seated at FBI Headquarters in Washington. (AP Photo/Charles Dharapak, File)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/IF3FIICNCEGJ5VMMBELJ2NZHMY.jpg?smart=true&auth=68081ae24587f8e10f9374387c65fd5bb267a945481c67a500ac3721ed87f837&width=400&height=225)
Forrmer special counsel and FBI Director Robert Mueller is seated at FBI Headquarters in Washington. AP
Forrmer special counsel and FBI Director Robert Mueller is seated at FBI Headquarters in Washington. AP
Republican Graham plans to invite Mueller to testify on Russian probe
Announcement after Donald Trump commutes Roger Stone's prison sentence