An internal OMB document shows that it is official administration policy to block funding to provoke a constitutional challenge.

On Capitol Hill, Trump faced bipartisan complaints as constituents and affected groups flooded lawmakers’ offices with phone calls.

Senate Democrats are demanding Republicans postpone a vote scheduled for Thursday on Russell Vought, President Trump’s nominee to head the Office of Management and Budget, after the budget office on Monday issued a broadly worded memo freezing large swaths of federal assistance.