DC, I don't think it would have made a difference. Michael had no way of knowing that the bodyguard was foiled twice: once by Roth being taken away to the hospital, and then by the military. I think he assumed that Roth was already dead by the time he showed up at the presidential party.
Ntra la porta tua lu sangu � sparsu, E nun me mporta si ce muoru accisu... E s'iddu muoru e vaju mparadisu Si nun ce truovo a ttia, mancu ce trasu.