US President Donald Trump has paused grants, loans and other federal assistance, according to a leaked government memo verified by the BBC's US partner, CBS News. In the memo, the acting head of the Office of Management and Budget (OMB) calls on government agencies to ensure spending is consistent with Trump's priorities - and nods to a number of executive orders that the returning president has made. The full impact of the pause is not yet clear, although the memo specifies that Medicaid...