Donald Trump - Trump says, without proof, that he recommended Ohio for GOP convention

On the opening night of the Republican convention, Donald Trump told Fox News host Bill O’Reilly he was grateful it was held in Cleveland.

I wanted it to be here, and we had lots of choices," Trump said." I wanted it to be in Ohio. I recommended Ohio. And people fought very hard that it be in Ohio. It's a tremendous economic development event, and you look at the way it's going so far, it's very impressive. I wanted it be here, the Republicans wanted it to be here." 

We wondered, did Trump get involved in picking Cleveland? If he did, we couldn’t find a trace of it....
http://www.politifact.com/truth-o-meter/statements/2016/jul/18/donald-trump/trump-says-without-proof-he-recommended-ohio-gop-c/