Judges will probably decide how much deference to give presidential power and what, if any, evidence Trump needs to support his claims.
Funding for the border wall represents a clash between presidential authority and Congress’s power of the purse.
House Democrats and certain states are likely to seek injunctions to prevent the president from reallocating money for a border wall.
Courts have been using Trump's tweets and public statements in their rulings. Could the president's tweets undercut his 'national emergency'?
Tuesday's intervention by the Supreme Court may foreshadow a battle over controversial nationwide injunctions.
In a new opinion, a judge accuses Ross of misleading Congress and the public.
Those naive framers thought Congress would jealously guard its powers. Instead, it's given many away.
No one can recall a president threatening to cut off disaster funds to a state, as Trump did in a tweet Wednesday.
Some lawyers say the president can move money around to accomplish an aim not authorized by Congress.
The attorney general blames “judicial activism” for administration setbacks in the courts. But the record suggests otherwise.