You know that Japanese companies are worried when they stop complaining about the yen.

We have reached San Francisco, the end of our almost 4,000 km journey from Chicago. Here, I am meeting the former mayor Willie Brown. He ran the city for eight years from 1996 to 2004, and before that was the speaker of California’s legislative assembly for 15 years.

I didn’t really know what to expect when I got to Provo, Utah. I knew that many people here were followers of The Church of Jesus Christ of Latter Day Saints, better known as the Mormons. And I was here to visit Brigham Young University — also known as the Mormon university.

Richard Quest visits the campus of BYU and talks with Mormon students who share Romney’s faith.

In 2008, candidate Barack Obama drew massive crowds to a speech in Berlin. How do U.S. expats view the president now?