Contributor: The weird bipartisan alliance to cap credit card rates is onto something

(Jenny Kane / Associated Press) Behind the credit card, ubiquitous in American economic life now for decades, stand a very few gigantic financial institutions that exert nearly unlimited power over how much consumers and businesses pay for the use of a small piece of plastic. American consumers and small businesses alike are spitting fire these days about the cost of credit cards, while the companies profiting from them are making money hand over fist. We are now having a national conversation about wha ...