Islam expert, digital publishing seminar on ICRS international program agenda Contact: Brittany Murdock bmurdock@cbaonline.org 719-272-3505 COLORADO SPRINGS, CO — Islam expert and global church growth specialist Pastor Riann Heyns will present a message at the Global Worship Celebration at the International Christian Retail Show 10 a.m.Sunday, June 28, at the Orange County Convention Center, Orlando, FL.  The expanded international program also includes new and free digital publishing training for international publishers, and free consulting that normally costs thousands of dollars. Heyns has…