CLEVELAND — Ted Cruz is making an extra trip to Cleveland to address a closed-door meeting of influential conservative leaders this Friday ahead of the Republican National Convention, according to four people familiar with his plans. Cruz will speak to a gathering of the Council for National Policy, a secretive group of conservative activists, many of whom backed the Texas senator in his failed presidential bid earlier this year. The Council for National Policy is a nonprofit but some of its members, including CNP President Tony Perkins, who also serves as head of the Family Research Council, are part of...