Ever since the Missouri House of Representatives passed Senate Bill 43 last night, civil rights activists have been in an uproar, urging Governor Eric Greitens to enact a veto. The bill, which would significantly increase the burden for proving workplace discrimination, has drawn opposition from the ACLU, the NAACP, and a host of other groups.But there's a little-noticed provision in the bill that also bears noting — one that could have serious consequences for some workers.…