The Brief is reported by Alejandro de la Garza, Suyin Haynes, Joseph Hincks, Ciara Nugent,
Billy Perrigo, Madeline Roache, Simmone Shah and Olivia B. WaxmanB AT T L E G ROU N D S
Republican Senator
Joni Ernst’s bus at a
campaign event in
Des Moines, Iowa,
on Oct.