Washington — The actions of Donald Trump and his supporters after his 2020 election loss top the US Supreme Court’s agenda in the next two weeks in cases involving his bid to avoid prosecution for trying to undo his defeat and an attempt by a man indicted in the Capitol attack to escape a charge that Trump also faces.The two cases assume even greater prominence as Trump campaigns to return to the White House as the Republican candidate challenging Democratic President Joe Biden in the November 5 US election.The justices on Tuesday hear arguments in an appeal by Joseph Fischer, who was…