Special Counsel Appointed For Russia Probe Former FBI Director Robert Mueller will investigate Russia's meddling in last year's election, and any possible collusion by the Trump campaign. This episode: host/congressional reporter Scott Detrow, congressional correspondent Susan Davis, and national political correspondent Mara Liasson. More coverage at nprpolitics.org. Email the show at firstname.lastname@example.org. Find and support your local public radio station at npr.org/stations.