Former President Donald Trump and Republican Sen. J.D. Vance of Ohio held their first joint rally together in Michigan on Saturday, a state that the pair is seeking to turn red after President Joe Biden won it in 2020. The event in Grand Rapids, Michigan, was the first rally since Trump survived an assassin’s bullet in Butler, Pennsylvania, on July 13 — a shooting that injured the GOP nominee’s ear and caused the death of Corey Comperatore, a veteran and former volunteer fire chief. Trump struck a more critical tone when referencing his political opponents than he did at his acceptance speech …