Bill Gates tops Forbes 2016 list of world’s billionaires

Forbes magazine's 2016 list of billionaires features 1,810 billionaires around the world, down 16 from last year. Those billionaires have a total net worth of almost $6.5 trillion. Microsoft co-founder Bill Gates is the richest for the third year in a row with $75 billion. Forbes assistant managing editor of wealth Luisa Kroll joins "CBS This Morning” to reveal the list.