 Hello and welcome to Newsday here on the BBC World Service with James Cocknell and Victoria Wong-Hunda. Great to have you with us. United States Supreme Court has said that presidents have immunity from prosecution for official acts. With his rival Donald Trump facing several court cases, President Joe Biden says he's dismayed by the ruling. Today's decision almost certainly means that there are virtually no limits on what a president can do. This is a fundamentally new principle.