Two, according to the 2007 Forbes Richest List... Oprah Winfrey with $1.5 billion and Bob Johnson, founder of Black Entertainment Television (BET) with $1.1 billion. Earvin "Magic" Johnson and Tiger Woods seem likely to be the next to join the club.
Because we have the most freedom and opportunity. Maybe contact the Billionaires and ask them why do they think that about a third of United States Dollar Based Billionaires on the Planet Earth...
Because the U.S. provides the freedom and opportunity to do so. People from all over the world struggle to enter the United States knowing that this is the country where a person can be rewarded for...
According to an article by Darrick H Scruggs, there are 109,000 households in 2001 that are black and have a net worth of $1 million or more.(see related link)