 Breaking news this hour at townhall.com. I'm Bob Agnew in Washington. Donald Trump and J.D. Vance are set to hold a post-convention rally in Michigan later today. Meanwhile, Vance's 2016 memoir and its movie adaptation are skyrocketing up the charts ever since he accepted the party's nomination for VP this week. Hillbilly Elegy, a memoir of a family and culture in crisis, a glimpse into Vance's life growing up in a poor blue-collar family with a drug-addicted mother,