
The National Review Online has thorough coverage of his passing, and here is a link to the NYTimes' article.
He was a different kind of candidate but not an incompetent one. Indeed, his finest moment came in a debate before the Iowa caucuses, when the moderator asked the assembled candidates for a show of hands if they believed human activity caused climate change.
"Well, do you want to give me a minute to answer that?" Thompson said. When the moderator said she didn't, he said: "Well, then I'm not going to answer it. You want a show of hands, and I'm not going to give it to you."
The moderator looked as though Thompson had suddenly sprouted daffodils from his ears. So did his fellow candidates. After a stunned silence, they all courageously announced their refusal to show hands, too. They looked like the Little Rascals, hitching up their britches and flexing their biceps after Alfalfa clocked the neighborhood bully.
"The major problem - ONE of the major problems, for there are several - one of the many major problems with governing people is that of whom you get to do it; or rather of who manages to get people to let them do it to them. To summarize: it is a well-known fact that those people who most want to rule people are, ipso facto, those least suited to do it. To summarize the summary: anyone who is capable of getting themselves made President should on no account be allowed to do the job. To summarize the summary of the summary: people are a problem."