Are child geniuses born brilliant or are pushy parents responsible for their kid's super-skills; Charles Wooley's hell of a holiday at Australia's ghost resorts; and why President Trump is not the only world leader building massive walls.

A Royal saga like no other: Why the glamourous princess wife of Dubai's billionaire ruler is hiding in a $150m London mansion; plus, Australia's unwelcome, scary new neighbours – Liam Bartlett confronts the ISIS extremists on our doorstep.