Explained: Who is Alaa Abd el-Fattah, and why is his return to the UK making headlines

Alaa Abd el-Fattah, once a symbol of Arab Spring idealism, now faces controversy in the UK after his release from Egyptian prison. His return ignited debate over old social media posts and the vetting process for his British citizenship. This episode highlights the complex challenges liberal democracies face when balancing humanitarian advocacy with national security.