Today’s case posed the question of whether the Illinois Senate’s minority leader had absolute legislative immunity for expelling a senator from the Republican caucus and cutting off his party resources when the senator ran for governor as the Conservative Party candidate, not as the Republican candidate.In McCann v. Brady, No. 18-2179 (7th Cir.), plaintiff William “Sam” McCann, an Illinois Republican senator and member of the Senate Republican caucus chose to run for Illinois governor as the …