The U.S. central bank, to President Donald Trump's chagrin, will likely leave interest rates unchanged at a policy meeting this week, but that's not to say there won't be a vigorous debate, with one if not two Federal Reserve governors possibly casting a rare dissent in support of lower borrowing costs.

The Fed's rate-setting committee is scheduled to meet later this week as Trump continues to push for looser monetary policy.

Federal Reserve is likely to leave key interest unchanged and avoid hints on whether a September cut is likely amid tariff uncertainty, Trump pressure