President Donald Trump said the U.S. should have the "lowest interest rates in the world" and argued that rate cuts would significantly reduce federal borrowing costs during an interview Tuesday on FOX Business’ "Kudlow." "This country should have the lowest interest rates in the world," Trump told host Larry Kudlow. "We keep the world going." Trump tied interest rates to government interest expenses, saying that changes of a few points could significantly alter federal finances. "Every point is $600 billion," Trump said. "All he has to do if we went down two points, we don't have a deficit anymore," he...