Franken, appearing on CNN’s “State of the Union” on Sunday, said he believes Senate Judiciary Committee Chairman Charles E. Grassley, R-Iowa, also wants Sessions to testify on the matter. The Post reported Friday that Ambassador Sergey Kislyak told his higher-ups in Moscow that he discussed the campaign and Russian policy priorities with Sessions during the 2016 presidential race, despite public assertions to the contrary by the embattled attorney general.