As Forbes begins to release details about 2013's new billionaires, we decided to take a peek at the people who already dominate the list. Think you know the scoop on the super-rich? Take our quiz and find out.
Carlos Slim, ranked by Forbes as the world%u2019s richest man, said he is open to the possibility of investing in new energy projects outside Mexico.
Slim, 70, said that he would consider opportunities in the power sector, Reuters reported.