There are loads of private the reason why Joe Biden has made this journey to the island of Ireland the longest of his visits as president however it's also simply excellent politics.

It is vastly necessary to him personally, little doubt.

The US president talks typically and at size about his Irish heritage.

He has mentioned on this go to he's coming residence. He feels that strongly. This is his ancestral and non secular residence.

"The best drop of blood in you is Irish," he says he was instructed as a younger man by his grandfather.

But he additionally is aware of the photographs we're seeing from Dublin, and later from County Mayo, play very properly again residence for a president who has simply given his greatest trace but that he'll run for re-election.

Latest:Updates on Biden's journey

More than one in ten Americans declare Irish roots.

Sometimes, residing there, it feels as if it's greater than that.

Even Americans with probably the most tenuous Irish connection appear to benefit from it, particularly on St Patrick's Day.

In a rustic as younger as America, it helps increase individuals's sense of historical past and id.

The photos of a president being feted as a prodigal son in Ireland all the time go down properly in America.

A president warmly welcomed on the streets and within the outlets of Irish cities.

The photographs would assist any president however Joe Biden particularly so.

That is as a result of Biden's Irishness defines him as each a person and a politician - and has finished all through his half a century in politics.

The widespread humanity - which he invoked in his speech in Ulster - is an Irish and Catholic worth, the president would say.

Read extra:Joe Biden's controversial feedback on IrelandHow Irish is Joe Biden?

At the center of the president's model of politics has all the time been his decency, his supporters would little doubt argue.

His perception in dignity and obligation appeals.

They are all values instilled in him, he says, by his Irish-American household.

And they're values that hundreds of thousands of Americans share and relate to.

Coming right here and burnishing his credentials as a real son of Ireland strengthens that model within the minds of voters within the US.

It reminds them why they favored Joe Biden within the first place and why - on the subject of it - they might wish to return him to the White House, even in his 80s.

Content Source: information.sky.com