Trump Wants Revenge: His Hunger to Be President Is All About Gaining Power to Settle Petty Personal Scores

Increasingly, the evidence is pointing to a certain conclusion: Donald Trump is running for president because he believes the power and fame of the White House will allow him to settle the score in his ever-expanding list of petty grievances.

Sure, there are other things he likes about it, like the attention and the opportunity to slap the word “Trump” in gold lettering across the front of the desk in the Oval Office, are motivating factors. But for those who have been following the campaign closely, it’s hard to ignore the fact that Trump spends much, perhaps most of his time, honing an enemies' list of people he imagines have personally slighted him and fantasizing out loud about putting them and anyone he associates with them in their place....
http://www.alternet.org/election-2016/trumps-campaign-based-revenge