The high court has given the president immunity and protected him from nationwide injunctions. Congress is giving ground on spending and tariffs. It adds up to a turbocharged executive.

President Donald Trump's decision to take military action in Iran has reignited debate over the War Powers Act.

In August 1964, President Lyndon B. Johnson asked Congress to back his effort to widen the U.S. role in Vietnam. He received it with enactment of the T onkin Gulf Resolution, which passed both chambers of Congress, including the Senate, with only two dissenting votes.