Opponents of Michigan’s new straight ticket-voting ban asked the U.S. Supreme Court on Wednesday to reject Attorney General Bill Schuette’s emergency appeal, predicting “massive confusion and even longer lines at polling places” if the state’s ban is enforced. The prohibition on letting voters fill in one bubble for all Democratic or all Republican candidates on the Nov. 8 ballot would deter African-American voters in particular, attorneys for the plaintiffs argued. “Millions of voters of all parties use it, have come to depend on it, and expect to be able to use it again this November,” the lawyers wrote in a brief filed Wednesday, noting the state has made no effort to educate voters that straight-party voting would not be available this fall. The lawyers include Mark Brewer, a Southfield attorney who is the former Michigan Democratic Party chairman.