Biden's Views on Presidential War Powers Have Evolved Over Time

As president, Biden now believes he can direct limited military action without congressional approval, though as a senator he had a more restrictive view.
In a survey on executive power, Biden declined to curtail emergency presidential powers but expressed openness to working with Congress.
Most Republican candidates including Trump did not participate in the survey on presidential war powers and executive authority.
Candidates who did the survey agreed a president cannot pardon themselves, though Trump had claimed he could.
Biden's perspective shifted from his time as a senator to his presidency, showing an evolving view of executive war powers.