The Economist.

Mississippi is the further south.

Mississippi is the further south.

Much of Indiana used to be called Louisiana.

Florida marks what was once the city's northern boundary, and Ohio hugs East Potomac Park.

But of all the streets in Washington, D.C. named after the nation's 50 states,

the most famous, the wide grand boulevard that links the Capitol building and the White House,

is called Pennsylvania Avenue.

No one knows for sure why it was the Commonwealth of Pennsylvania,

which was awarded the Krem de la Krem of D.C. streets.

The most likely explanation is that the nation's capital having been moved from Philadelphia

to D.C. it was intended as a consolation prize.

Pennsylvania Avenue is the road of the White House.

And for Donald Trump and Carmelah Harris, the road to the White House

is likely to lie via Pennsylvania's 19 electoral college votes.

With 32 days to go until the 2024 election,

I'm John Prado, and this is checks and balance from the economist.

Each week we take one big theme shaping American politics and explore it in depth.

Today who's winning in Pennsylvania?

Whoever captures Pennsylvania will probably be elected president, according to the economist's

forecast model, it's the most likely tipping point state.

We've travelled to three different parts of the Commonwealth to assess how the campaign is going and try to read the electoral

...