Trump may be able to rack up some SCOTUS wins, but his insistence of blanket immunity as president, is doomed to fail. Certainly, the efforts to lean on the high court in a quid pro quo won’t sway the justices. That’s the takeaway by former federal prosecutor Barbara McQuade when she appeared on MSNBC’s “The Last Word” with Lawrence O’Donnell Thursday night. “I think there are a number of issues coming before this court, where they might rule in Donald Trump’s favor,” she said. “For example, the insurrection clause issue attack on the Constitution. POLL: Should Trump be allowed to run for offi…