
FILE - Sen. Jim Carlin, R-Sioux City, speaks during debate on the tax bill in the Iowa Senate, May 5, 2018, at the Statehouse in Des Moines, Iowa. (AP Photo/Charlie Neibergall, File)

FILE - Sen. Jim Carlin, R-Sioux City, speaks during debate on the tax bill in the Iowa Senate, May 5, 2018, at the Statehouse in Des Moines, Iowa. (AP Photo/Charlie Neibergall, File)