A number of House Republicans are privately bashing former President Trump’s selection of Sen. JD Vance (R-Ohio) as his running mate, warning that the pick will not help — and could hurt — the party’s chances of winning in November. The Republicans, speaking to The Hill on the condition of anonymity to discuss the sensitive topic, raised concerns about Vance’s foreign policy positions, lack of experience and inability to expand the Republican coalition beyond Trump’s base. There are, to be sure, plenty of Vance supporters in the House GOP conference, particularly hard-line conservatives — including those in the House Freedom...