As long as Trump doesn't outclown them, I think he's got a good chance. But anyone that thinks he will "win easily" is deluding themselves. The Democrats have a huge and growing demographic advantage. Republicans start out, by default, at about a 6 point disadvantage.
Another good sign is this Wikileaks thing. That could have some real impact, especially if, as promised, additional leaks are coming.
The last time I saw Art Laffer, it was when Fox News ran that contest where the winner would get a show worn, frilly pair of Megyn Kelly’s sexy panties, signed by Brit Hume and Art Laffer, and presented at a special ceremony hosted by Stu Varney and the Stu Varney Dancers.