That would take years to wind its way up the Supreme Court, I would expect. But...Hey! I am not an attorney.
However...In the court of public opinion, I would think such a charge or trial of that nature would be very damaging to Obama and the Democrat Party.
A court trial of this sort would be spun by MSNBC as some sort of "persecution" by "Arizona right-wingers (like those who passed the SB1070 anti-illegal immigration bill).
Same tactic was used during the Clinton impeachment hearings, to obscure the underlying facts about criminal conduct.