The evidence suggests that he's to blame, but let's be careful not to 'jump to conclusions'. He may have a good explanation for what happened.
At this point, his victory seems to be a 'foregone conclusion'. [=his victory seems certain; there seems to be no doubt that he will win]
Most people felt that the outcome of the trial was a 'foregone conclusion'. [=they felt sure that the trial would end in a certain way]
(..) Oh, Jesus. God, what did I do? Oh, God. DANNY: So I guess this is where I tell you what I learned. My conclusion, right? Well, my conclusion is... ...hate is baggage. Life's too short to be pissed off all the time. It's just not worth it. (..)1998 American History X