Navigation for Insight

Americans are preparing to go to the polls to vote for America's next  president.

The two contenders - Barack Obama and Mitt Romney - have very different ideas for America.

But what is each candidate's ideological vision for the future?

How do America's presidential candidates believe the US should interact with the rest of the world?

The BBC's Washington Correspondent, Paul Adams speaks to some of those advising the candidates, former White House insiders and historians

You can listen to the programme again here: