The U.S. Supreme Court agreed to hear arguments in Donald Trump’s broad claim of presidential immunity, and that decision put his federal election subversion case “on life support” – even if the justices ultimately rule against him. The court will hear arguments April 22, with a ruling expected in late June, and that timeline could forestall his trials in the Mar-a-Lago classified documents trial in Florida and the Jan. 6 case in Washington, D.C., although MSNBC legal analyst Andrew Weissmann told “Morning Joe” he doesn’t believe Trump will win his appeal but he doesn’t think that will ultimat…