Charming Donald Trump one week, angering China the next, Japan's Prime Minister Sanae Takaichi has had a busy start and is riding high in the polls, all on a few hours of sleep a night.

But the honeymoon may end soon for the Margaret Thatcher-admiring premier, if the current spat with China escalates further and she fails to keep inflation in check. 

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.