Cleo Smith’s disappearance puts her anguished parents in an unwanted social media spotlight

It’s a tired cliche that often gets used on inappropriate occasions.

But, in the case of missing four-year-old Cleo Smith, it’s based on an awful, inescapable reality.

It really is every parent’s nightmare.

Cleo disappeared in the early hours of October 16 while on a camping trip with her family…