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Hello.

Today, the latest installment in the drama that's Brazilian politics,

with rival factions competing for influence over the President, factions including

the military and his own family.

In Algeria, we're out with protesters draped in their country's flag and sometimes sporting shower

cups as they demand change at the top. More protests and more change in Sudan, but will women's demands

be heard?

And in Silicon Valley, one item of clothing says it all about elitist groupthink and inequalities

of wealth, gender and race. But what is this standout garment? A new emperor took

the throne in Japan this week. Year 31 ended, year 1 began.

While the Gurgorian calendar is widely used there, so too is the imperial calendar, which measures

time in relation to the rule of emperors. The first year of Raywa began on Wednesday,

Raywa meaning beautiful harmony according to the government's official

translation. The change has prompted Rupert Wingfield Hayes to look back at the history of the Imperial family

and assess what the future may hold for the country.

Over the last few days I've been asked many times to explain the significance of this moment in Japanese history,

the end of the Heisei era and the beginning of the new Rehwa era.

I've given many different answers, but the truth is I have struggled to come up with a

clear one. Yes there is a new name, a new calendar, a new younger, more cosmopolitan

royal couple, but no real power has shifted in Japan

because Japan's emperor doesn't have any real power the Americans made sure of that

...