The key to a successful Trump campaign is having a VP running mate that people can have confidence in just in case Trump goes over the top as President and gets himself impeached. With that kind of insurance, people will take a chance. If Trump picks a mini-me or lapdog, as he has done in business, he's most likely all washed up in politics.
Clinton doesn't have designs on a strong VP. Anyone who would fit the bill either wouldn't want to work for her; or, she wouldn't want them ... she wouldn't want anyone who would butt heads with Bill either.
Either The Donald has to step up to the plate with a two person team that people can expect a good game from even if one is ejected; or, Club of One Hillary has to foul out (e.g. prosecuted for the email scandal) before the public at large will be drawn into the do-nothing GOP ballpark.
If Trump screws up his VP selection (you can take the candidate out of Wall Street; but, you can't take Wall Street out of the candidate) AND Clinton is prosecuted for mishandling government information (like Petraeus); then, I'm writing in McBoatface (
polls never lie)!