Ohio Sen. JD Vance was first elected to office in 2022.AP Photo/Julia NikhinsonWhen Trump tapped JD Vance as his running mate, the Ohioan's background was a major selling point.But new CNN data shows Vance with a double-digit net unfavorable rating across the Midwest.Vance's national rollout as the GOP vice presidential nominee has so far been a rocky affair.Ohio Sen.