Prime Minister Boris Johnson's plan to lead Britain out of the European Union at the end of this month hit another roadblock Monday when the speaker of the House of Commons rejected his attempt to hold a new vote of lawmakers on his Brexit divorce deal. The ruling by Speaker John Bercow plunged the tortuous Brexit process back into grimly familiar territory: grinding parliamentary warfare. With just 10 days to go until the U.K. is due to leave the bloc on Oct. 31, Johnson's government was seeking a "straight up-and-down vote" on the agreement he struck last week with the 27 other EU nations.
