Imagine...you're a certain Democrat...a former first lady, former senator, former secretary of state, and you are a well known liar, all around psychotic bitch, and you know that, if you run for president, you might actually lose and you're not sure if your master in the Oval Office, the Antichrist-in-Chief, will actually back you up or throw you under the bus.
So...what do you do?
Well, if you're Hillary Clinton, it's simple. You get a loudmouthed friend who is a notorious asshole and polarizing figure to run for the Presidential nomination in the opposing party. It will probably cost you some money from the Foundation slush fund and you might need to make a few illicit deals...but that's never stopped you before. Hey, you're a Clinton...you can probably get away with murder and make money talking about it on a speaking tour, right?
Okay. So, after making some shady deal somewhere (again, you're a Clinton, so it's just a normal every day meeting for you), you convince your asshole friend to run and...oh boy...does he every trash his competition...by bribing, outspending, or threatening his opponents to drop out. And now that he's won, all he has to do is act idiotic, irrational, and fucking bat-shit insane and do it in front of the cameras (which he is good at).
The Republican party is divided and unable to mount any opposition to you. Their only choices are to either turn traitor and vote for you, not vote at all, or vote for a third party. The only people who will actually vote for Trump are the gullible idiots like Herbert45 who will probably commit a mass suicide the day after election day when they realized they've all been played.
So, you, Hillary Clinton, are pretty much assured victory so long as you promise to follow your master's (that would be the current asshole in office) bidding and continue Obama's agenda of raping and destroying the United States of America.
Oh yeah, America...you truly are fucked indeed.