A record 125 foreign-born American citizens on Forbes' Billionaires list, who now live in the U.S., are featured. They hail from 43 countries but got rich in America.

Someone asked “What’s something money can buy that we poor people don’t even know of?” and people shared their best examples.

Barack Obama America’s 44th president, Barack Obama, didn’t reach millionaire status until his 40s. In 2004, he signed a book ...