But Diamond was a banker supposedly at the top of his game.

Diamond started to fight back, pointing an accusatory finger at the Bank of England.

There are three broader lessons of Diamond s demise at Barclays.

Second, Diamond apparently thought that he could take on the British establishment.

WASHINGTON, DC The recent departure of Robert Diamond from Barclays marks a watershed.

Diamond City is a city in Boone County, Arkansas, United States.

Diamond discovered that, ultimately, politicians trump bankers at least in the UK.

Press reports indicate that regulators were willing to give Diamond a free pass right up to the moment when a serious political backlash took hold. Diamond started to fight back, pointing an accusatory finger at the Bank of England.

Diamond apparently believed his own rhetoric that he and his bank are critical to economic prosperity in the UK.

In 1980, the U.S. Supreme Court in the Diamond v. Chakrabarty case ruled that genetically altered life could be patented.

Press reports indicate that regulators were willing to give Diamond a free pass right up to the moment when a serious political backlash took hold.

Banks and politics are deeply intertwined in all advanced economies. Diamond discovered that, ultimately, politicians trump bankers at least in the UK.

Diamond apparently forgot that the continued existence of any bank with a balance sheet that is large relative to its home economy and its ability to earn a return for shareholders depends entirely on maintaining a good relationship with regulators.

And, while his bank had been found in violation of various rules recently, including on products sold to consumers and on how it reported interest rates, Diamond had managed to distance himself from the damage.

Diamond apparently believed his own rhetoric that he and his bank are critical to economic prosperity in the UK. The regulators called his bluff and forced him to resign.

The image of young Caroline the inspiration for Neil Diamond s famous song solemnly standing beside her three year old brother as he saluted his father s coffin is deeply engrained in the hearts of Japan s people.

Second, Diamond apparently thought that he could take on the British establishment. His staff leaked the contents of a conversation he claimed to have had with Paul Tucker, a senior Bank of England official, suggesting that the BoE had told Barclays to report inaccurate interest rate numbers.

The image of young Caroline the inspiration for Neil Diamond s famous song solemnly standing beside her three year old brother as he saluted his father s coffin is deeply engrained in the hearts of Japan s people. So there probably is not a single Japanese who would not welcome her as US Ambassador.