Donald Trump’s pick for his vice president, JD Vance, has a polling problem. Only 29% of voters surveyed by AtlasIntel polling have a favorable opinion of Trump’s pick compared to 42% unfavorable. Twenty-nine percent said they were unsure. Vance ranks slightly higher than Hillary Clinton, who has a 25% favorable rating. Trump and Kamala Harris both have a 48% favorable. Trump has a 49% unfavorable and Harris has a 51% unfavorable, per Atlasintel. Vance is supposed to help Trump win the Midwest this fall. But almost immediately after the Ohio senator was announced as Trump’s vice presidential p…