The Supreme Court is weighing whether to review the D.C. Court of Appeals’ wholesale rejection of former President Donald Trump’s claim to immunity from prosecution in Jack Smith’s federal election conspiracy case — but the pressure mounting against them not to do so is hardly partisan, former acting Solicitor General Neal Katyal told MSNBC’s Ari Melber on Wednesday. A number of prominent Republican legal experts are urging them to stay out of it too. Katyal made this point in response to discussion of former Attorney General Eric Holder, who said of the Trump cases, “We can’t have this notion…