HSBC money laundering
My first order of business would be to banish the heinous credit default swaps, which, believe it or not, are bets on whether a country or company will go broke. I can hear the conversation at home in the evening: 'Hello dear, what did you do at the office today?' 'Aw, just the usual. I placed a $3 billion bet that Spain will go bankrupt by the end of the year.'