The Upside (And Downside) Of Trump Selecting J.D. Vance For Vice President

Former President Trump shocked and surprised both supporters and opponents with his decision to name US Senator JD Vance (R-OH) as his running mate. While Vance is no non-interventionist, his approach is vastly different than Trump's last VP choice. Is Trump signaling a generational and ideological shift in the Republican Party away from the neocon domination of the past several decades?