Francis has told reporters on the flight home from South Korea that he would go to China "tomorrow" if he were invited (full text 1, full text 2). The Serbian Orthodox Church has issued a statement denying reports that its patriarch will meet the Pope. John Allen and Daniel Burke comment on the Pope's in-flight press conference. Christopher Dickey argues that the Vatican is playing into the hands of Islamic State leader "Caliph" Ibrahim. Nate Silver says that Vatican City is the most "touristy" country in the world. R J Stove hails the "check-shirted, gap-toothed, cigar-chomping prankster" who produced outstanding 20th-century sacred music. And South Korean artists have presented Pope Francis with a striking traditional portrait of himself. Follow me on Twitter @lukecoppen for updates throughout the day.