Many people think that the low-interest regime of the last 13 years is "normal" and that we're going back to normal, but Oaktree Capital's Howard Marks disagrees.The co-chairman and co-founder of the global asset management firm said while he "doesn't really believe in the ability to tell the future", it's "his feeling that the Fed isn't happy keeping interest rates at 0%. It does encourage inflation and makes it easier for borrowers...