Even legal African visitors to Europe face hurdles

ALGIERS, Algeria — France has twice rejected visa applications from Nabil Tabarout, a 29-year-old web developer from Algeria who hopes this year to visit his sister there. He's among the many people navigating the often-arduous visa process throughout Africa, which faces higher visa rejection rates than anywhere else in the world when it comes to visiting Europe's Schengen Area. Appointments are often difficult to secure. Applicants often must prove a minimum bank balance, substantiate the purpose...