Something that’s been whispered about in the last few months is now being talked about loudly: U.S. oil drillers’ debts. There have been a few notable warnings that shale boomers might want to slow down their production boost lest they bring on another price crash, but the truth seems to be that they can’t do it: they have debts to service. Now that international oil prices are once again on a downward spiral, drillers are facing a new challenge, according to Bloomberg : their bondholders are no longer optimistic. Shareholders were the first to start doubting the recovery as it became increasingly evident that OPEC’s production cut agreement is failing to have the effect that everyone—or almost everyone—expected. Energy stocks have generally been on a slide since the start of the year. Now creditors are joining shareholders. In June, Bloomberg data shows, junk bonds in the energy industry lost […]