UPDATE 1-Whoops! Last-minute change to U.S. tax overhaul splits grains sector
January 12, 2018 at 15:52 PM EST
CHICAGO, Jan 12 (Reuters) - Republican U.S. senators are working with some of the world's biggest agricultural merchants to undo a last-minute provision in the tax overhaul that threatens to distort the grains market and starve private firms of corn, soy and wheat supplies.