Federal Reserve officials are expected to leave interest rates unchanged this week at a gathering that’s being overshadowed by a Senate Banking Committee vote on Kevin Warsh's nomination to replace Jerome Powell as Fed chair. The Bank of Japan and Bank of Canada are also expected to keep rates on hold as policymakers keep a hawkish eye on fallout from the Iran war. The Bank of England and European Central Bank are likely to echo similar messages and keep rates unchanged. Bloomberg's Mark Cranfield breaks down the situation.