 All eyes will be on the U.S. Supreme Court tomorrow morning. A ruling's expected on former President Trump's request for absolute immunity from prosecution. This is a watershed moment in the shaping of what a president can and cannot do while in office, what their power truly is. Trump has said if a president does not have full immunity, nobody serving in that office will have the courage to make what would be the right decision. During arguments in April, the Department of Justice argued granting absolute immunity would put a president above the law. That's ABC's Perry Russom.