YOUNGSTOWN — Three Republicans are vying to be the party’s nominee for Mahoning County commissioner, while state Rep. Lauren McNally won’t face opposition in the Democratic primary for the position. Republicans filing by Wednesday’s deadline for commissioner were Canfield Mayor Don Dragish, Canfield City Council President Christine Oliver and Austintown trustee Bruce N. Shepas. Commissioner Carol Rimedio-Righetti, a Democrat who is serving her fourth four-year term, isn’t seeking reelection. She threw her support behind McNally of Youngstown, who is in her second two-year term ...