Washington (AFP) – The US Supreme Court takes up Tuesday the most politically charged case of the year — President Donald Trump’s refusal to turn over his tax returns and financial records to Congress and a New York prosecutor, a case that may define the limits of presidential immunity.The high court’s nine justices, confined at home by the novel coronavirus pandemic, will question lawyers for both sides at 10:00 am (1400 GMT) by telephone in a highly anticipated session to be broadcast live.The court’s ruling, expected before the end of June, will allow the justices to render a decision befo…