On the first day of a visit to Turkey, Pope Francis says faiths need to talk more - to combat the rise of what he called Islamic extremism.<br /><br />The Vatican's been calling for Muslim leaders to take a stronger stand against armed groups.<br /><br />Al Jazeera's Bernard Smith reports from Istanbul.<br /><br />Subscribe to our channel http://bit.ly/AJSubscribe<br />Follow us on Twitter https://twitter.com/AJEnglish<br />Find us on Facebook <br />https://www.facebook.com/aljazeera<br />Check our website: http://www.aljazeera.com/
